921062799403902 has 48 divisors (see below), whose sum is σ = 2023812798239232. Its totient is φ = 302686346808720.

The previous prime is 921062799403853. The next prime is 921062799403937. The reversal of 921062799403902 is 209304997260129.

921062799403902 is a `hidden beast` number, since 9 + 2 + 10 + 62 + 79 + 9 + 403 + 90 + 2 = 666.

It is a super-2 number, since 2×921062799403902² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 921062799403902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25124583 + ... + 49732989.

It is an arithmetic number, because the mean of its divisors is an integer number (42162766629984).

Almost surely, 2^{921062799403902} is an apocalyptic number.

921062799403902 is an abundant number, since it is smaller than the sum of its proper divisors (1102749998835330).

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

921062799403902 is a wasteful number, since it uses less digits than its factorization.

921062799403902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24637773 (or 24637770 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 921062799403902 in words is "nine hundred twenty-one trillion, sixty-two billion, seven hundred ninety-nine million, four hundred three thousand, nine hundred two".