298796704129 has 81 divisors (see below), whose sum is σ = 396503759043. Its totient is φ = 224334079200.

The previous prime is 298796704039. The next prime is 298796704133. The reversal of 298796704129 is 921407697892.

The square root of 298796704129 is 546623.

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., 278284735729 + 20511968400 = 527527^2 + 143220^2 .

It is not a de Polignac number, because 298796704129 - 2¹⁷ = 298796573057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (298796707129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1304788987 + ... + 1304789215.

Almost surely, 2^298796704129 is an apocalyptic number.

298796704129 is the 546623-rd square number.

298796704129 is the 273312-nd centered octagonal number.

It is an amenable number.

298796704129 is a deficient number, since it is larger than the sum of its proper divisors (97707054914).

298796704129 is an equidigital number, since it uses as much as digits as its factorization.

298796704129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

Multiplying 298796704129 by its sum of digits (64), we get a square (19122989064256 = 4372984²).

The spelling of 298796704129 in words is "two hundred ninety-eight billion, seven hundred ninety-six million, seven hundred four thousand, one hundred twenty-nine".