69953902144 has 63 divisors (see below), whose sum is σ = 161512608267. Its totient is φ = 29973896064.

The previous prime is 69953902127. The next prime is 69953902163. The reversal of 69953902144 is 44120935996.

The square root of 69953902144 is 264488.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69953902091 and 69953902100.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14808967 + ... + 14813689.

Almost surely, 2^69953902144 is an apocalyptic number.

69953902144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

69953902144 is the 264488-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69953902144

69953902144 is an abundant number, since it is smaller than the sum of its proper divisors (91558706123).

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

69953902144 is an frugal number, since it uses more digits than its factorization.

69953902144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 69953902144 in words is "sixty-nine billion, nine hundred fifty-three million, nine hundred two thousand, one hundred forty-four".