264552905291 has 4 divisors (see below), whose sum is σ = 264574002792. Its totient is φ = 264531807792.

The previous prime is 264552905249. The next prime is 264552905311. The reversal of 264552905291 is 192509255462.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264552905291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264552905231) 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, 10529930 + ... + 10555023.

It is an arithmetic number, because the mean of its divisors is an integer number (66143500698).

Almost surely, 2^264552905291 is an apocalyptic number.

264552905291 is a deficient number, since it is larger than the sum of its proper divisors (21097501).

264552905291 is a wasteful number, since it uses less digits than its factorization.

264552905291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21097500.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 264552905291 in words is "two hundred sixty-four billion, five hundred fifty-two million, nine hundred five thousand, two hundred ninety-one".