764653465 has 16 divisors (see below), whose sum is σ = 932170896. Its totient is φ = 602035200.

The previous prime is 764653451. The next prime is 764653529. The reversal of 764653465 is 564356467.

It can be written as a sum of positive squares in 8 ways, for example, as 125372809 + 639280656 = 11197^2 + 25284^2 .

It is not a de Polignac number, because 764653465 - 2⁹ = 764652953 is a prime.

It is a Duffinian number.

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, 188155 + ... + 192175.

It is an arithmetic number, because the mean of its divisors is an integer number (58260681).

Almost surely, 2^764653465 is an apocalyptic number.

It is an amenable number.

764653465 is a deficient number, since it is larger than the sum of its proper divisors (167517431).

764653465 is a wasteful number, since it uses less digits than its factorization.

764653465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620.

The product of its digits is 1814400, while the sum is 46.

The square root of 764653465 is about 27652.3681626005. The cubic root of 764653465 is about 914.4393093133.

The spelling of 764653465 in words is "seven hundred sixty-four million, six hundred fifty-three thousand, four hundred sixty-five".