199325689974 has 32 divisors (see below), whose sum is σ = 445767308640. Its totient is φ = 66018697056.

The previous prime is 199325689961. The next prime is 199325690071. The reversal of 199325689974 is 479986523991.

199325689974 is a `hidden beast` number, since 1 + 99 + 325 + 68 + 99 + 74 = 666.

It is a super-2 number, since 2×199325689974² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 11746989 + ... + 11763944.

It is an arithmetic number, because the mean of its divisors is an integer number (13930228395).

Almost surely, 2^199325689974 is an apocalyptic number.

199325689974 is an abundant number, since it is smaller than the sum of its proper divisors (246441618666).

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

199325689974 is a wasteful number, since it uses less digits than its factorization.

199325689974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23511101 (or 23511095 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 72.

The spelling of 199325689974 in words is "one hundred ninety-nine billion, three hundred twenty-five million, six hundred eighty-nine thousand, nine hundred seventy-four".