6407471457 has 6 divisors (see below), whose sum is σ = 9255236562. Its totient is φ = 4271647632.

The previous prime is 6407471453. The next prime is 6407471471. The reversal of 6407471457 is 7541747046.

6407471457 is a `hidden beast` number, since 64 + 0 + 74 + 71 + 457 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6165233361 + 242238096 = 78519^2 + 15564^2 .

It is not a de Polignac number, because 6407471457 - 2² = 6407471453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6407471453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355970628 + ... + 355970645.

It is an arithmetic number, because the mean of its divisors is an integer number (1542539427).

Almost surely, 2^6407471457 is an apocalyptic number.

It is an amenable number.

6407471457 is a deficient number, since it is larger than the sum of its proper divisors (2847765105).

6407471457 is a wasteful number, since it uses less digits than its factorization.

6407471457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711941279 (or 711941276 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 6407471457 is about 80046.6829856178. The cubic root of 6407471457 is about 1857.3577406332.

It can be divided in two parts, 64074 and 71457, that added together give a palindrome (135531).

The spelling of 6407471457 in words is "six billion, four hundred seven million, four hundred seventy-one thousand, four hundred fifty-seven".