22138640953 has 16 divisors (see below), whose sum is σ = 26059041792. Its totient is φ = 18542160000.

The previous prime is 22138640863. The next prime is 22138640957. The reversal of 22138640953 is 35904683122.

It is a de Polignac number, because none of the positive numbers 2^k-22138640953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22138640957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74073 + ... + 223078.

It is an arithmetic number, because the mean of its divisors is an integer number (1628690112).

Almost surely, 2^22138640953 is an apocalyptic number.

It is an amenable number.

22138640953 is a deficient number, since it is larger than the sum of its proper divisors (3920400839).

22138640953 is a wasteful number, since it uses less digits than its factorization.

22138640953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297696.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 22138640953 in words is "twenty-two billion, one hundred thirty-eight million, six hundred forty thousand, nine hundred fifty-three".