264831896638 has 8 divisors (see below), whose sum is σ = 397293121080. Its totient is φ = 132400856280.

The previous prime is 264831896597. The next prime is 264831896653. The reversal of 264831896638 is 836698138462.

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

It is a self number, because there is not a number n which added to its sum of digits gives 264831896638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7524073 + ... + 7559188.

It is an arithmetic number, because the mean of its divisors is an integer number (49661640135).

Almost surely, 2^264831896638 is an apocalyptic number.

264831896638 is a deficient number, since it is larger than the sum of its proper divisors (132461224442).

264831896638 is a wasteful number, since it uses less digits than its factorization.

264831896638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15092042.

The product of its digits is 71663616, while the sum is 64.

The spelling of 264831896638 in words is "two hundred sixty-four billion, eight hundred thirty-one million, eight hundred ninety-six thousand, six hundred thirty-eight".