23969664090 has 24 divisors (see below), whose sum is σ = 62321126868. Its totient is φ = 6391910400.

The previous prime is 23969664013. The next prime is 23969664133. The reversal of 23969664090 is 9046696932.

It can be written as a sum of positive squares in 2 ways, for example, as 22726467009 + 1243197081 = 150753^2 + 35259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133164711 + ... + 133164890.

Almost surely, 2^23969664090 is an apocalyptic number.

23969664090 is an abundant number, since it is smaller than the sum of its proper divisors (38351462778).

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

23969664090 is a wasteful number, since it uses less digits than its factorization.

23969664090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266329614 (or 266329611 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 23969664090 in words is "twenty-three billion, nine hundred sixty-nine million, six hundred sixty-four thousand, ninety".