264506446341365 has 4 divisors (see below), whose sum is σ = 317407735609644. Its totient is φ = 211605157073088.

The previous prime is 264506446341343. The next prime is 264506446341377. The reversal of 264506446341365 is 563143644605462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110030407453444 + 154476038887921 = 10489538^2 + 12428839^2 .

It is a cyclic number.

It is not a de Polignac number, because 264506446341365 - 2³⁴ = 264489266472181 is a prime.

It is a super-2 number, since 2×264506446341365² (a number of 30 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 26450644634132 + ... + 26450644634141.

It is an arithmetic number, because the mean of its divisors is an integer number (79351933902411).

Almost surely, 2^{264506446341365} is an apocalyptic number.

It is an amenable number.

264506446341365 is a deficient number, since it is larger than the sum of its proper divisors (52901289268279).

264506446341365 is an equidigital number, since it uses as much as digits as its factorization.

264506446341365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52901289268278.

The product of its (nonzero) digits is 149299200, while the sum is 59.

The spelling of 264506446341365 in words is "two hundred sixty-four trillion, five hundred six billion, four hundred forty-six million, three hundred forty-one thousand, three hundred sixty-five".