264505626672997 has 4 divisors (see below), whose sum is σ = 278426975445280. Its totient is φ = 250584277900716.

The previous prime is 264505626672977. The next prime is 264505626673091. The reversal of 264505626672997 is 799276626505462.

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 264505626672997 - 2¹¹ = 264505626670949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264505626672977) 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, 6960674386113 + ... + 6960674386150.

It is an arithmetic number, because the mean of its divisors is an integer number (69606743861320).

Almost surely, 2^{264505626672997} is an apocalyptic number.

It is an amenable number.

264505626672997 is a deficient number, since it is larger than the sum of its proper divisors (13921348772283).

264505626672997 is a wasteful number, since it uses less digits than its factorization.

264505626672997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13921348772282.

The product of its (nonzero) digits is 4115059200, while the sum is 76.

The spelling of 264505626672997 in words is "two hundred sixty-four trillion, five hundred five billion, six hundred twenty-six million, six hundred seventy-two thousand, nine hundred ninety-seven".