199924911530 has 16 divisors (see below), whose sum is σ = 359901809064. Its totient is φ = 79961749440.

The previous prime is 199924911517. The next prime is 199924911533. The reversal of 199924911530 is 35119429991.

It can be written as a sum of positive squares in 4 ways, for example, as 160875594649 + 39049316881 = 401093^2 + 197609^2 .

It is not an unprimeable number, because it can be changed into a prime (199924911533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924197 + ... + 1119816.

Almost surely, 2^199924911530 is an apocalyptic number.

199924911530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199924911530 is a deficient number, since it is larger than the sum of its proper divisors (159976897534).

199924911530 is a wasteful number, since it uses less digits than its factorization.

199924911530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053801.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 199924911530 in words is "one hundred ninety-nine billion, nine hundred twenty-four million, nine hundred eleven thousand, five hundred thirty".