298416614921 has 2 divisors, whose sum is σ = 298416614922. Its totient is φ = 298416614920.

The previous prime is 298416614827. The next prime is 298416614939. The reversal of 298416614921 is 129416614892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290779777600 + 7636837321 = 539240^2 + 87389^2 .

It is a cyclic number.

It is not a de Polignac number, because 298416614921 - 2³⁴ = 281236745737 is a prime.

It is not a weakly prime, because it can be changed into another prime (298416614941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149208307460 + 149208307461.

It is an arithmetic number, because the mean of its divisors is an integer number (149208307461).

Almost surely, 2^298416614921 is an apocalyptic number.

It is an amenable number.

298416614921 is a deficient number, since it is larger than the sum of its proper divisors (1).

298416614921 is an equidigital number, since it uses as much as digits as its factorization.

298416614921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 53.

The spelling of 298416614921 in words is "two hundred ninety-eight billion, four hundred sixteen million, six hundred fourteen thousand, nine hundred twenty-one".