614399464857 has 4 divisors (see below), whose sum is σ = 819199286480. Its totient is φ = 409599643236.

The previous prime is 614399464831. The next prime is 614399464859. The reversal of 614399464857 is 758464993416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 614399464857 - 2³⁴ = 597219595673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (614399464859) 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, 102399910807 + ... + 102399910812.

It is an arithmetic number, because the mean of its divisors is an integer number (204799821620).

Almost surely, 2^614399464857 is an apocalyptic number.

It is an amenable number.

614399464857 is a deficient number, since it is larger than the sum of its proper divisors (204799821623).

614399464857 is a wasteful number, since it uses less digits than its factorization.

614399464857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204799821622.

The product of its digits is 156764160, while the sum is 66.

The spelling of 614399464857 in words is "six hundred fourteen billion, three hundred ninety-nine million, four hundred sixty-four thousand, eight hundred fifty-seven".