199250970893 has 32 divisors (see below), whose sum is σ = 228871319040. Its totient is φ = 172048631040.

The previous prime is 199250970889. The next prime is 199250970923. The reversal of 199250970893 is 398079052991.

It is not a de Polignac number, because 199250970893 - 2² = 199250970889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199250970823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4908203 + ... + 4948631.

It is an arithmetic number, because the mean of its divisors is an integer number (7152228720).

Almost surely, 2^199250970893 is an apocalyptic number.

199250970893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

199250970893 is a deficient number, since it is larger than the sum of its proper divisors (29620348147).

199250970893 is a wasteful number, since it uses less digits than its factorization.

199250970893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40829.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 199250970893 in words is "one hundred ninety-nine billion, two hundred fifty million, nine hundred seventy thousand, eight hundred ninety-three".