298638564620 has 48 divisors (see below), whose sum is σ = 690796124928. Its totient is φ = 107541504960.

The previous prime is 298638564619. The next prime is 298638564641. The reversal of 298638564620 is 26465836892.

It is a self number, because there is not a number n which added to its sum of digits gives 298638564620.

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, 6566894 + ... + 6612213.

It is an arithmetic number, because the mean of its divisors is an integer number (14391585936).

Almost surely, 2^298638564620 is an apocalyptic number.

298638564620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298638564620 is an abundant number, since it is smaller than the sum of its proper divisors (392157560308).

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

298638564620 is a wasteful number, since it uses less digits than its factorization.

298638564620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179230 (or 13179228 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 59.

The spelling of 298638564620 in words is "two hundred ninety-eight billion, six hundred thirty-eight million, five hundred sixty-four thousand, six hundred twenty".