6425582621 has 8 divisors (see below), whose sum is σ = 6766624800. Its totient is φ = 6084825840.

The previous prime is 6425582557. The next prime is 6425582623. The reversal of 6425582621 is 1262855246.

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 6425582621 - 2⁶ = 6425582557 is a prime.

It is a super-2 number, since 2×6425582621² = 82576224038594459282, which contains 22 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 (6425582623) 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, 24326 + ... + 115943.

It is an arithmetic number, because the mean of its divisors is an integer number (845828100).

Almost surely, 2^6425582621 is an apocalyptic number.

It is an amenable number.

6425582621 is a deficient number, since it is larger than the sum of its proper divisors (341042179).

6425582621 is a wasteful number, since it uses less digits than its factorization.

6425582621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142699.

The product of its digits is 230400, while the sum is 41.

The square root of 6425582621 is about 80159.7319169669. The cubic root of 6425582621 is about 1859.1060780395.

The spelling of 6425582621 in words is "six billion, four hundred twenty-five million, five hundred eighty-two thousand, six hundred twenty-one".