198925930830 has 32 divisors (see below), whose sum is σ = 520824256128. Its totient is φ = 48224468000.

The previous prime is 198925930829. The next prime is 198925930837. The reversal of 198925930830 is 38039529891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198925930837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301402596 + ... + 301403255.

It is an arithmetic number, because the mean of its divisors is an integer number (16275758004).

Almost surely, 2^198925930830 is an apocalyptic number.

198925930830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198925930830 is an abundant number, since it is smaller than the sum of its proper divisors (321898325298).

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

198925930830 is a wasteful number, since it uses less digits than its factorization.

198925930830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602805872.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 198925930830 in words is "one hundred ninety-eight billion, nine hundred twenty-five million, nine hundred thirty thousand, eight hundred thirty".