69931428192 has 96 divisors (see below), whose sum is σ = 204410273760. Its totient is φ = 23259778560.

The previous prime is 69931428187. The next prime is 69931428199. The reversal of 69931428192 is 29182413996.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69931428199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310518 + ... + 486090.

It is an arithmetic number, because the mean of its divisors is an integer number (2129273685).

Almost surely, 2^69931428192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69931428192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102205136880).

69931428192 is an abundant number, since it is smaller than the sum of its proper divisors (134478845568).

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

69931428192 is a wasteful number, since it uses less digits than its factorization.

69931428192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176053 (or 176039 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The spelling of 69931428192 in words is "sixty-nine billion, nine hundred thirty-one million, four hundred twenty-eight thousand, one hundred ninety-two".