21626275153 has 8 divisors (see below), whose sum is σ = 24716999360. Its totient is φ = 18535865040.

The previous prime is 21626275141. The next prime is 21626275157. The reversal of 21626275153 is 35157262612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21626275153 - 2²¹ = 21624178001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21626275157) 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 7 ways as a sum of consecutive naturals, for example, 94423 + ... + 228403.

It is an arithmetic number, because the mean of its divisors is an integer number (3089624920).

Almost surely, 2^21626275153 is an apocalyptic number.

It is an amenable number.

21626275153 is a deficient number, since it is larger than the sum of its proper divisors (3090724207).

21626275153 is a wasteful number, since it uses less digits than its factorization.

21626275153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157047.

The product of its digits is 151200, while the sum is 40.

The spelling of 21626275153 in words is "twenty-one billion, six hundred twenty-six million, two hundred seventy-five thousand, one hundred fifty-three".