69542318064 has 40 divisors (see below), whose sum is σ = 190218695760. Its totient is φ = 21817197568.

The previous prime is 69542318039. The next prime is 69542318071. The reversal of 69542318064 is 46081324596.

It is a super-2 number, since 2×69542318064² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42610899 + ... + 42612530.

It is an arithmetic number, because the mean of its divisors is an integer number (4755467394).

Almost surely, 2^69542318064 is an apocalyptic number.

It is an amenable number.

69542318064 is an abundant number, since it is smaller than the sum of its proper divisors (120676377696).

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

69542318064 is a wasteful number, since it uses less digits than its factorization.

69542318064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85223457 (or 85223451 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 69542318064 in words is "sixty-nine billion, five hundred forty-two million, three hundred eighteen thousand, sixty-four".