6459657072 has 80 divisors (see below), whose sum is σ = 18216334080. Its totient is φ = 1956198400.

The previous prime is 6459657011. The next prime is 6459657077. The reversal of 6459657072 is 2707569546.

It is a super-2 number, since 2×6459657072² = 83454338975679226368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459657077) 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, 1095829 + ... + 1101707.

It is an arithmetic number, because the mean of its divisors is an integer number (227704176).

Almost surely, 2^6459657072 is an apocalyptic number.

It is an amenable number.

6459657072 is an abundant number, since it is smaller than the sum of its proper divisors (11756677008).

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

6459657072 is a wasteful number, since it uses less digits than its factorization.

6459657072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7976 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 51.

The square root of 6459657072 is about 80371.9918379531. The cubic root of 6459657072 is about 1862.3865261377.

The spelling of 6459657072 in words is "six billion, four hundred fifty-nine million, six hundred fifty-seven thousand, seventy-two".