6252644235621 has 16 divisors (see below), whose sum is σ = 9590937110528. Its totient is φ = 3549277710000.

The previous prime is 6252644235613. The next prime is 6252644235641. The reversal of 6252644235621 is 1265324462526.

It is not a de Polignac number, because 6252644235621 - 2³ = 6252644235613 is a prime.

It is a super-3 number, since 3×6252644235621³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6252644235611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985907305 + ... + 985913646.

It is an arithmetic number, because the mean of its divisors is an integer number (599433569408).

Almost surely, 2^{6252644235621} is an apocalyptic number.

It is an amenable number.

6252644235621 is a deficient number, since it is larger than the sum of its proper divisors (3338292874907).

6252644235621 is a wasteful number, since it uses less digits than its factorization.

6252644235621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971821112.

The product of its digits is 4147200, while the sum is 48.

The spelling of 6252644235621 in words is "six trillion, two hundred fifty-two billion, six hundred forty-four million, two hundred thirty-five thousand, six hundred twenty-one".