264064342945 has 36 divisors (see below), whose sum is σ = 346721808636. Its totient is φ = 192960892800.

The previous prime is 264064342891. The next prime is 264064342951. The reversal of 264064342945 is 549243460462.

It can be written as a sum of positive squares in 6 ways, for example, as 7428888481 + 256635454464 = 86191^2 + 506592^2 .

It is not a de Polignac number, because 264064342945 - 2¹⁵ = 264064310177 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 150120976 + ... + 150122734.

It is an arithmetic number, because the mean of its divisors is an integer number (9631161351).

Almost surely, 2^264064342945 is an apocalyptic number.

It is an amenable number.

264064342945 is a deficient number, since it is larger than the sum of its proper divisors (82657465691).

264064342945 is an equidigital number, since it uses as much as digits as its factorization.

264064342945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 264064342945 in words is "two hundred sixty-four billion, sixty-four million, three hundred forty-two thousand, nine hundred forty-five".