69727969922 has 54 divisors (see below), whose sum is σ = 115861135131. Its totient is φ = 31458417120.

The previous prime is 69727969903. The next prime is 69727969951. The reversal of 69727969922 is 22996972796.

It can be written as a sum of positive squares in 5 ways, for example, as 23777331601 + 45950638321 = 154199^2 + 214361^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=186719.

It is a super-3 number, since 3×69727969922³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian 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 26 ways as a sum of consecutive naturals, for example, 257298647 + ... + 257298917.

Almost surely, 2^69727969922 is an apocalyptic number.

69727969922 is a deficient number, since it is larger than the sum of its proper divisors (46133165209).

69727969922 is an equidigital number, since it uses as much as digits as its factorization.

69727969922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 339 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 68.

The spelling of 69727969922 in words is "sixty-nine billion, seven hundred twenty-seven million, nine hundred sixty-nine thousand, nine hundred twenty-two".