32914902891 has 48 divisors (see below), whose sum is σ = 49371233280. Its totient is φ = 19475614080.

The previous prime is 32914902887. The next prime is 32914902899. The reversal of 32914902891 is 19820941923.

It is not a de Polignac number, because 32914902891 - 2² = 32914902887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32914902891.

It is not an unprimeable number, because it can be changed into a prime (32914902899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2460900 + ... + 2474238.

It is an arithmetic number, because the mean of its divisors is an integer number (1028567360).

Almost surely, 2^32914902891 is an apocalyptic number.

32914902891 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

32914902891 is a deficient number, since it is larger than the sum of its proper divisors (16456330389).

32914902891 is a wasteful number, since it uses less digits than its factorization.

32914902891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556 (or 13543 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 32914902891 in words is "thirty-two billion, nine hundred fourteen million, nine hundred two thousand, eight hundred ninety-one".