921739480108 has 12 divisors (see below), whose sum is σ = 1631168181720. Its totient is φ = 455691428192.

The previous prime is 921739480093. The next prime is 921739480111. The reversal of 921739480108 is 801084937129.

It is a super-2 number, since 2×921739480108² (a number of 25 digits) contains 22 as substring.

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, 1294577566 + ... + 1294578277.

It is an arithmetic number, because the mean of its divisors is an integer number (135930681810).

Almost surely, 2^921739480108 is an apocalyptic number.

It is an amenable number.

921739480108 is a deficient number, since it is larger than the sum of its proper divisors (709428701612).

921739480108 is a wasteful number, since it uses less digits than its factorization.

921739480108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589155936 (or 2589155934 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 921739480108 in words is "nine hundred twenty-one billion, seven hundred thirty-nine million, four hundred eighty thousand, one hundred eight".