69542375904 has 96 divisors (see below), whose sum is σ = 202904029440. Its totient is φ = 23172552576.

The previous prime is 69542375899. The next prime is 69542375911. The reversal of 69542375904 is 40957324596.

69542375904 is a `hidden beast` number, since 6 + 9 + 5 + 42 + 3 + 7 + 590 + 4 = 666.

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

It is a super-2 number, since 2×69542375904² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2720109 + ... + 2745555.

It is an arithmetic number, because the mean of its divisors is an integer number (2113583640).

Almost surely, 2^69542375904 is an apocalyptic number.

It is an amenable number.

69542375904 is an abundant number, since it is smaller than the sum of its proper divisors (133361653536).

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

69542375904 is a wasteful number, since it uses less digits than its factorization.

69542375904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28629 (or 28615 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 69542375904 in words is "sixty-nine billion, five hundred forty-two million, three hundred seventy-five thousand, nine hundred four".