264386233391 has 8 divisors (see below), whose sum is σ = 302199232800. Its totient is φ = 226584118368.

The previous prime is 264386233381. The next prime is 264386233471. The reversal of 264386233391 is 193332683462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264386233391 - 2¹⁰ = 264386232367 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 (264386233351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668976 + ... + 2766261.

It is an arithmetic number, because the mean of its divisors is an integer number (37774904100).

Almost surely, 2^264386233391 is an apocalyptic number.

264386233391 is a deficient number, since it is larger than the sum of its proper divisors (37812999409).

264386233391 is an equidigital number, since it uses as much as digits as its factorization.

264386233391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442193.

The product of its digits is 3359232, while the sum is 50.

The spelling of 264386233391 in words is "two hundred sixty-four billion, three hundred eighty-six million, two hundred thirty-three thousand, three hundred ninety-one".