69441797664 has 120 divisors (see below), whose sum is σ = 214975308240. Its totient is φ = 21928973184.

The previous prime is 69441797609. The next prime is 69441797707. The reversal of 69441797664 is 46679714496.

69441797664 is a `hidden beast` number, since 6 + 94 + 417 + 9 + 76 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 655774 + ... + 754269.

It is an arithmetic number, because the mean of its divisors is an integer number (1791460902).

Almost surely, 2^69441797664 is an apocalyptic number.

It is an amenable number.

69441797664 is an abundant number, since it is smaller than the sum of its proper divisors (145533510576).

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

69441797664 is a wasteful number, since it uses less digits than its factorization.

69441797664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410084 (or 1410067 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 69441797664 in words is "sixty-nine billion, four hundred forty-one million, seven hundred ninety-seven thousand, six hundred sixty-four".