264465052563 has 4 divisors (see below), whose sum is σ = 352620070088. Its totient is φ = 176310035040.

The previous prime is 264465052561. The next prime is 264465052571. The reversal of 264465052563 is 365250564462.

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

It is not a de Polignac number, because 264465052563 - 2¹ = 264465052561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264465052561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44077508758 + ... + 44077508763.

It is an arithmetic number, because the mean of its divisors is an integer number (88155017522).

Almost surely, 2^264465052563 is an apocalyptic number.

264465052563 is a deficient number, since it is larger than the sum of its proper divisors (88155017525).

264465052563 is an equidigital number, since it uses as much as digits as its factorization.

264465052563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88155017524.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 264465052563 in words is "two hundred sixty-four billion, four hundred sixty-five million, fifty-two thousand, five hundred sixty-three".