6457581297 has 12 divisors (see below), whose sum is σ = 9357613824. Its totient is φ = 4291209720.

The previous prime is 6457581259. The next prime is 6457581307. The reversal of 6457581297 is 7921857546.

6457581297 is a `hidden beast` number, since 6 + 4 + 57 + 581 + 2 + 9 + 7 = 666.

It is not a de Polignac number, because 6457581297 - 2¹⁰ = 6457580273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6457581227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150753 + ... + 1156350.

It is an arithmetic number, because the mean of its divisors is an integer number (779801152).

Almost surely, 2^6457581297 is an apocalyptic number.

It is an amenable number.

6457581297 is a deficient number, since it is larger than the sum of its proper divisors (2900032527).

6457581297 is a wasteful number, since it uses less digits than its factorization.

6457581297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307420 (or 2307417 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 6457581297 is about 80359.0772532886. The cubic root of 6457581297 is about 1862.1870155695.

The spelling of 6457581297 in words is "six billion, four hundred fifty-seven million, five hundred eighty-one thousand, two hundred ninety-seven".