264145933579 has 4 divisors (see below), whose sum is σ = 288159200280. Its totient is φ = 240132666880.

The previous prime is 264145933517. The next prime is 264145933589. The reversal of 264145933579 is 975339541462.

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

It is a cyclic number.

It is not a de Polignac number, because 264145933579 - 2³⁵ = 229786195211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264145933589) 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, 12006633334 + ... + 12006633355.

It is an arithmetic number, because the mean of its divisors is an integer number (72039800070).

Almost surely, 2^264145933579 is an apocalyptic number.

264145933579 is a deficient number, since it is larger than the sum of its proper divisors (24013266701).

264145933579 is a wasteful number, since it uses less digits than its factorization.

264145933579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24013266700.

The product of its digits is 24494400, while the sum is 58.

The spelling of 264145933579 in words is "two hundred sixty-four billion, one hundred forty-five million, nine hundred thirty-three thousand, five hundred seventy-nine".