69900768438 has 64 divisors (see below), whose sum is σ = 147777011712. Its totient is φ = 22007895840.

The previous prime is 69900768401. The next prime is 69900768451. The reversal of 69900768438 is 83486700996.

It is a super-2 number, since 2×69900768438² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15249895 + ... + 15254477.

It is an arithmetic number, because the mean of its divisors is an integer number (2309015808).

Almost surely, 2^69900768438 is an apocalyptic number.

69900768438 is an abundant number, since it is smaller than the sum of its proper divisors (77876243274).

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

69900768438 is a wasteful number, since it uses less digits than its factorization.

69900768438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 69900768438 in words is "sixty-nine billion, nine hundred million, seven hundred sixty-eight thousand, four hundred thirty-eight".