2198911901728 has 24 divisors (see below), whose sum is σ = 4353292777680. Its totient is φ = 1093313736000.

The previous prime is 2198911901713. The next prime is 2198911901731. The reversal of 2198911901728 is 8271091198912.

It is a super-2 number, since 2×2198911901728² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191938398 + ... + 191949853.

It is an arithmetic number, because the mean of its divisors is an integer number (181387199070).

Almost surely, 2^{2198911901728} is an apocalyptic number.

It is an amenable number.

2198911901728 is a deficient number, since it is larger than the sum of its proper divisors (2154380875952).

2198911901728 is a wasteful number, since it uses less digits than its factorization.

2198911901728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383888440 (or 383888432 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 58.

The spelling of 2198911901728 in words is "two trillion, one hundred ninety-eight billion, nine hundred eleven million, nine hundred one thousand, seven hundred twenty-eight".