264124562641 has 4 divisors (see below), whose sum is σ = 271263064372. Its totient is φ = 256986060912.

The previous prime is 264124562563. The next prime is 264124562693. The reversal of 264124562641 is 146265421462.

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 174302075025 + 89822487616 = 417495^2 + 299704^2 .

It is a cyclic number.

It is not a de Polignac number, because 264124562641 - 2¹¹ = 264124560593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264124502641) 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, 3569250810 + ... + 3569250883.

It is an arithmetic number, because the mean of its divisors is an integer number (67815766093).

Almost surely, 2^264124562641 is an apocalyptic number.

It is an amenable number.

264124562641 is a deficient number, since it is larger than the sum of its proper divisors (7138501731).

264124562641 is an equidigital number, since it uses as much as digits as its factorization.

264124562641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138501730.

The product of its digits is 552960, while the sum is 43.

The spelling of 264124562641 in words is "two hundred sixty-four billion, one hundred twenty-four million, five hundred sixty-two thousand, six hundred forty-one".