291855052804 has 12 divisors (see below), whose sum is σ = 583710105664. Its totient is φ = 125080736904.

The previous prime is 291855052799. The next prime is 291855052901. The reversal of 291855052804 is 408250558192.

291855052804 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 5211697344 + ... + 5211697399.

Almost surely, 2^291855052804 is an apocalyptic number.

It is an amenable number.

291855052804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

291855052804 is a wasteful number, since it uses less digits than its factorization.

291855052804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423394754 (or 10423394752 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 49.

The spelling of 291855052804 in words is "two hundred ninety-one billion, eight hundred fifty-five million, fifty-two thousand, eight hundred four".