921200849368 has 32 divisors (see below), whose sum is σ = 1728361908000. Its totient is φ = 460304462592.

The previous prime is 921200849357. The next prime is 921200849407. The reversal of 921200849368 is 863948002129.

It is a super-2 number, since 2×921200849368² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128350996 + ... + 128358172.

It is an arithmetic number, because the mean of its divisors is an integer number (54011309625).

Almost surely, 2^921200849368 is an apocalyptic number.

It is an amenable number.

921200849368 is a deficient number, since it is larger than the sum of its proper divisors (807161058632).

921200849368 is a wasteful number, since it uses less digits than its factorization.

921200849368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15259 (or 15255 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 921200849368 in words is "nine hundred twenty-one billion, two hundred million, eight hundred forty-nine thousand, three hundred sixty-eight".