6268425664 has 28 divisors (see below), whose sum is σ = 12624571144. Its totient is φ = 3087431424.

The previous prime is 6268425629. The next prime is 6268425701. The reversal of 6268425664 is 4665248626.

It is a congruent number.

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, 726639 + ... + 735214.

Almost surely, 2^6268425664 is an apocalyptic number.

6268425664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6268425664 is an abundant number, since it is smaller than the sum of its proper divisors (6356145480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6268425664 is a wasteful number, since it uses less digits than its factorization.

6268425664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461932 (or 1461922 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

The square root of 6268425664 is about 79173.3898731133. The cubic root of 6268425664 is about 1843.8241260953.

The spelling of 6268425664 in words is "six billion, two hundred sixty-eight million, four hundred twenty-five thousand, six hundred sixty-four".