69490232100 has 405 divisors, whose sum is σ = 235628033641. Its totient is φ = 17714592000.

The previous prime is 69490232093. The next prime is 69490232101. The reversal of 69490232100 is 123209496.

The square root of 69490232100 is 263610.

It is a perfect power (a square), and thus also a powerful number.

69490232100 is a `hidden beast` number, since 69 + 490 + 2 + 3 + 2 + 100 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 6745993956 + 62744238144 = 82134^2 + 250488^2 .

It is a tau number, because it is divible by the number of its divisors (405).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69490232101) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 688022050 + ... + 688022150.

Almost surely, 2^69490232100 is an apocalyptic number.

69490232100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

69490232100 is the 263610-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69490232100

69490232100 is an abundant number, since it is smaller than the sum of its proper divisors (166137801541).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69490232100 is a wasteful number, since it uses less digits than its factorization.

69490232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

Multiplying 69490232100 by its sum of digits (36), we get a square (2501648355600 = 1581660²).

69490232100 divided by its sum of digits (36) gives a square (1930284225 = 43935²).

The spelling of 69490232100 in words is "sixty-nine billion, four hundred ninety million, two hundred thirty-two thousand, one hundred".