6451456715 has 16 divisors (see below), whose sum is σ = 8673804000. Its totient is φ = 4565157120.

The previous prime is 6451456699. The next prime is 6451456721. The reversal of 6451456715 is 5176541546.

It is a happy number.

It is not a de Polignac number, because 6451456715 - 2⁴ = 6451456699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583090 + ... + 1587159.

It is an arithmetic number, because the mean of its divisors is an integer number (542112750).

Almost surely, 2^6451456715 is an apocalyptic number.

6451456715 is a deficient number, since it is larger than the sum of its proper divisors (2222347285).

6451456715 is a wasteful number, since it uses less digits than its factorization.

6451456715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170302.

The product of its digits is 504000, while the sum is 44.

The square root of 6451456715 is about 80320.9606205005. The cubic root of 6451456715 is about 1861.5981095939.

The spelling of 6451456715 in words is "six billion, four hundred fifty-one million, four hundred fifty-six thousand, seven hundred fifteen".