199250702892 has 36 divisors (see below), whose sum is σ = 507506255256. Its totient is φ = 65909900160.

The previous prime is 199250702887. The next prime is 199250702951. The reversal of 199250702892 is 298207052991.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21120253 + ... + 21129684.

Almost surely, 2^199250702892 is an apocalyptic number.

199250702892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199250702892 is an abundant number, since it is smaller than the sum of its proper divisors (308255552364).

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

199250702892 is a wasteful number, since it uses less digits than its factorization.

199250702892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42250078 (or 42250073 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 199250702892 in words is "one hundred ninety-nine billion, two hundred fifty million, seven hundred two thousand, eight hundred ninety-two".