6465903936 has 28 divisors (see below), whose sum is σ = 17107704672. Its totient is φ = 2155301248.

The previous prime is 6465903853. The next prime is 6465903953. The reversal of 6465903936 is 6393095646.

It is a happy number.

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, 16838100 + ... + 16838483.

Almost surely, 2^6465903936 is an apocalyptic number.

It is an amenable number.

6465903936 is an abundant number, since it is smaller than the sum of its proper divisors (10641800736).

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

6465903936 is a wasteful number, since it uses less digits than its factorization.

6465903936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33676598 (or 33676588 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 51.

The square root of 6465903936 is about 80410.8446417521. The cubic root of 6465903936 is about 1862.9866780732.

The spelling of 6465903936 in words is "six billion, four hundred sixty-five million, nine hundred three thousand, nine hundred thirty-six".