298926814564 has 63 divisors (see below), whose sum is σ = 611074889593. Its totient is φ = 127950749808.

The previous prime is 298926814523. The next prime is 298926814609. The reversal of 298926814564 is 465418629892.

The square root of 298926814564 is 546742.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 144955332900 + 153971481664 = 380730^2 + 392392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 298926814496 and 298926814505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 375064614 + ... + 375065410.

Almost surely, 2^298926814564 is an apocalyptic number.

298926814564 is the 546742-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298926814564

298926814564 is an abundant number, since it is smaller than the sum of its proper divisors (312148075029).

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

298926814564 is an frugal number, since it uses more digits than its factorization.

298926814564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 806 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

Multiplying 298926814564 by its sum of digits (64), we get a square (19131316132096 = 4373936²).

The spelling of 298926814564 in words is "two hundred ninety-eight billion, nine hundred twenty-six million, eight hundred fourteen thousand, five hundred sixty-four".