23642522449 has 32 divisors (see below), whose sum is σ = 29975581440. Its totient is φ = 18147456000.

The previous prime is 23642522443. The next prime is 23642522537. The reversal of 23642522449 is 94422524632.

It is a cyclic number.

It is not a de Polignac number, because 23642522449 - 2¹³ = 23642514257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23642522443) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 650149 + ... + 685549.

It is an arithmetic number, because the mean of its divisors is an integer number (936736920).

Almost surely, 2^23642522449 is an apocalyptic number.

It is an amenable number.

23642522449 is a deficient number, since it is larger than the sum of its proper divisors (6333058991).

23642522449 is a wasteful number, since it uses less digits than its factorization.

23642522449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35641.

The product of its digits is 829440, while the sum is 43.

The spelling of 23642522449 in words is "twenty-three billion, six hundred forty-two million, five hundred twenty-two thousand, four hundred forty-nine".