1456839965 has 32 divisors (see below), whose sum is σ = 2045481984. Its totient is φ = 975317760.

The previous prime is 1456839913. The next prime is 1456839971. The reversal of 1456839965 is 5699386541.

It is a de Polignac number, because none of the positive numbers 2^k-1456839965 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1456839965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 889127 + ... + 890763.

It is an arithmetic number, because the mean of its divisors is an integer number (63921312).

Almost surely, 2^1456839965 is an apocalyptic number.

It is an amenable number.

1456839965 is a deficient number, since it is larger than the sum of its proper divisors (588642019).

1456839965 is a wasteful number, since it uses less digits than its factorization.

1456839965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its digits is 6998400, while the sum is 56.

The square root of 1456839965 is about 38168.5730018821. The cubic root of 1456839965 is about 1133.6281341426.

The spelling of 1456839965 in words is "one billion, four hundred fifty-six million, eight hundred thirty-nine thousand, nine hundred sixty-five".