365718934009 has 27 divisors (see below), whose sum is σ = 435392363469. Its totient is φ = 306824437920.

The previous prime is 365718934001. The next prime is 365718934067. The reversal of 365718934009 is 900439817563.

The square root of 365718934009 is 604747.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39138687225 + 326580246784 = 197835^2 + 571472^2 .

It is not a de Polignac number, because 365718934009 - 2³ = 365718934001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365718934001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 86476707 + ... + 86480935.

Almost surely, 2^365718934009 is an apocalyptic number.

365718934009 is the 604747-th square number.

365718934009 is the 302374-th centered octagonal number.

It is an amenable number.

365718934009 is a deficient number, since it is larger than the sum of its proper divisors (69673429460).

365718934009 is an frugal number, since it uses more digits than its factorization.

365718934009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 365718934009 in words is "three hundred sixty-five billion, seven hundred eighteen million, nine hundred thirty-four thousand, nine".