21037626133 has 8 divisors (see below), whose sum is σ = 21189435008. Its totient is φ = 20886094944.

The previous prime is 21037626097. The next prime is 21037626143. The reversal of 21037626133 is 33162673012.

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

It is a cyclic number.

It is not a de Polignac number, because 21037626133 - 2⁹ = 21037625621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21037626143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83860 + ... + 221602.

It is an arithmetic number, because the mean of its divisors is an integer number (2648679376).

Almost surely, 2^21037626133 is an apocalyptic number.

It is an amenable number.

21037626133 is a deficient number, since it is larger than the sum of its proper divisors (151808875).

21037626133 is a wasteful number, since it uses less digits than its factorization.

21037626133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138843.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 21037626133 in words is "twenty-one billion, thirty-seven million, six hundred twenty-six thousand, one hundred thirty-three".