8291949504 has 28 divisors (see below), whose sum is σ = 21939116904. Its totient is φ = 2763983104.

The previous prime is 8291949499. The next prime is 8291949509. The reversal of 8291949504 is 4059491928.

It is an interprime number because it is at equal distance from previous prime (8291949499) and next prime (8291949509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8291949509) 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, 21593427 + ... + 21593810.

Almost surely, 2^8291949504 is an apocalyptic number.

It is an amenable number.

8291949504 is an abundant number, since it is smaller than the sum of its proper divisors (13647167400).

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

8291949504 is a wasteful number, since it uses less digits than its factorization.

8291949504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43187252 (or 43187242 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 8291949504 is about 91060.1422357773. The cubic root of 8291949504 is about 2024.0390302170.

The spelling of 8291949504 in words is "eight billion, two hundred ninety-one million, nine hundred forty-nine thousand, five hundred four".