264541244332061 has 4 divisors (see below), whose sum is σ = 266293173102624. Its totient is φ = 262789315561500.

The previous prime is 264541244332039. The next prime is 264541244332111. The reversal of 264541244332061 is 160233442145462.

It is a happy number.

264541244332061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264541244332061 - 2⁶ = 264541244331997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264541244331997 and 264541244332015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264541244632061) 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, 875964385055 + ... + 875964385356.

It is an arithmetic number, because the mean of its divisors is an integer number (66573293275656).

Almost surely, 2^{264541244332061} is an apocalyptic number.

It is an amenable number.

264541244332061 is a deficient number, since it is larger than the sum of its proper divisors (1751928770563).

264541244332061 is a wasteful number, since it uses less digits than its factorization.

264541244332061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751928770562.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 264541244332061 in words is "two hundred sixty-four trillion, five hundred forty-one billion, two hundred forty-four million, three hundred thirty-two thousand, sixty-one".