69912608364352 has 28 divisors (see below), whose sum is σ = 149404588549636. Its totient is φ = 32267357706240.

The previous prime is 69912608364337. The next prime is 69912608364353. The reversal of 69912608364352 is 25346380621996.

It can be written as a sum of positive squares in 2 ways, for example, as 19913227955776 + 49999380408576 = 4462424^2 + 7071024^2 .

It is a super-2 number, since 2×69912608364352² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69912608364353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42014787849 + ... + 42014789512.

It is an arithmetic number, because the mean of its divisors is an integer number (5335878162487).

Almost surely, 2^{69912608364352} is an apocalyptic number.

It is an amenable number.

69912608364352 is an abundant number, since it is smaller than the sum of its proper divisors (79491980185284).

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

69912608364352 is a wasteful number, since it uses less digits than its factorization.

69912608364352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84029577386 (or 84029577376 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 64.

The spelling of 69912608364352 in words is "sixty-nine trillion, nine hundred twelve billion, six hundred eight million, three hundred sixty-four thousand, three hundred fifty-two".