6457388572 has 12 divisors (see below), whose sum is σ = 11311008520. Its totient is φ = 3225671856.

The previous prime is 6457388557. The next prime is 6457388591. The reversal of 6457388572 is 2758837546.

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, 750798 + ... + 759349.

Almost surely, 2^6457388572 is an apocalyptic number.

It is an amenable number.

6457388572 is a deficient number, since it is larger than the sum of its proper divisors (4853619948).

6457388572 is a wasteful number, since it uses less digits than its factorization.

6457388572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511220 (or 1511218 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 55.

The square root of 6457388572 is about 80357.8780954301. The cubic root of 6457388572 is about 1862.1684898735.

The spelling of 6457388572 in words is "six billion, four hundred fifty-seven million, three hundred eighty-eight thousand, five hundred seventy-two".