721231268806092 has 96 divisors (see below), whose sum is σ = 1888786471267584. Its totient is φ = 212343697843200.

The previous prime is 721231268806079. The next prime is 721231268806241. The reversal of 721231268806092 is 290608862132127.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557918409 + ... + 559209632.

It is an arithmetic number, because the mean of its divisors is an integer number (19674859075704).

Almost surely, 2^{721231268806092} is an apocalyptic number.

It is an amenable number.

721231268806092 is an abundant number, since it is smaller than the sum of its proper divisors (1167555202461492).

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

721231268806092 is a wasteful number, since it uses less digits than its factorization.

721231268806092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117128199 (or 1117128197 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 721231268806092 in words is "seven hundred twenty-one trillion, two hundred thirty-one billion, two hundred sixty-eight million, eight hundred six thousand, ninety-two".