298908885481 has 2 divisors, whose sum is σ = 298908885482. Its totient is φ = 298908885480.

The previous prime is 298908885413. The next prime is 298908885563. The reversal of 298908885481 is 184588809892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230031507456 + 68877378025 = 479616^2 + 262445^2 .

It is a cyclic number.

It is not a de Polignac number, because 298908885481 - 2¹⁷ = 298908754409 is a prime.

It is a super-2 number, since 2×298908885481² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 298908885481.

It is not a weakly prime, because it can be changed into another prime (298908885281) by changing a digit.

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 as a sum of consecutive naturals, namely, 149454442740 + 149454442741.

It is an arithmetic number, because the mean of its divisors is an integer number (149454442741).

Almost surely, 2^298908885481 is an apocalyptic number.

It is an amenable number.

298908885481 is a deficient number, since it is larger than the sum of its proper divisors (1).

298908885481 is an equidigital number, since it uses as much as digits as its factorization.

298908885481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 106168320, while the sum is 70.

The spelling of 298908885481 in words is "two hundred ninety-eight billion, nine hundred eight million, eight hundred eighty-five thousand, four hundred eighty-one".