21253626600034 has 8 divisors (see below), whose sum is σ = 31909186918620. Its totient is φ = 10617230960496.

The previous prime is 21253626600001. The next prime is 21253626600047. The reversal of 21253626600034 is 43000662635212.

It can be written as a sum of positive squares in 2 ways, for example, as 14246737015225 + 7006889584809 = 3774485^2 + 2647053^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 21253626600034.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4791166989 + ... + 4791171424.

Almost surely, 2^{21253626600034} is an apocalyptic number.

21253626600034 is a deficient number, since it is larger than the sum of its proper divisors (10655560318586).

21253626600034 is a wasteful number, since it uses less digits than its factorization.

21253626600034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582339524.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 21253626600034 in words is "twenty-one trillion, two hundred fifty-three billion, six hundred twenty-six million, six hundred thousand, thirty-four".