199742792592 has 40 divisors (see below), whose sum is σ = 589716817216. Its totient is φ = 57069369216.

The previous prime is 199742792531. The next prime is 199742792603. The reversal of 199742792592 is 295297247991.

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, 297235963 + ... + 297236634.

Almost surely, 2^199742792592 is an apocalyptic number.

199742792592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199742792592 is an abundant number, since it is smaller than the sum of its proper divisors (389974024624).

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

199742792592 is a wasteful number, since it uses less digits than its factorization.

199742792592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594472615 (or 594472609 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 66.

The spelling of 199742792592 in words is "one hundred ninety-nine billion, seven hundred forty-two million, seven hundred ninety-two thousand, five hundred ninety-two".