6456714457 has 4 divisors (see below), whose sum is σ = 6456940596. Its totient is φ = 6456488320.

The previous prime is 6456714449. The next prime is 6456714469. The reversal of 6456714457 is 7544176546.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3172392976 + 3284321481 = 56324^2 + 57309^2 .

It is a cyclic number.

It is not a de Polignac number, because 6456714457 - 2³ = 6456714449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6456714457.

It is not an unprimeable number, because it can be changed into a prime (6456714497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62788 + ... + 129829.

It is an arithmetic number, because the mean of its divisors is an integer number (1614235149).

Almost surely, 2^6456714457 is an apocalyptic number.

It is an amenable number.

6456714457 is a deficient number, since it is larger than the sum of its proper divisors (226139).

6456714457 is a wasteful number, since it uses less digits than its factorization.

6456714457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226138.

The product of its digits is 2822400, while the sum is 49.

The square root of 6456714457 is about 80353.6835309994. The cubic root of 6456714457 is about 1862.1036876508.

The spelling of 6456714457 in words is "six billion, four hundred fifty-six million, seven hundred fourteen thousand, four hundred fifty-seven".