98239027409 has 2 divisors, whose sum is σ = 98239027410. Its totient is φ = 98239027408.

The previous prime is 98239027351. The next prime is 98239027493. The reversal of 98239027409 is 90472093289.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85673290000 + 12565737409 = 292700^2 + 112097^2 .

It is a cyclic number.

It is not a de Polignac number, because 98239027409 - 2²⁴ = 98222250193 is a prime.

It is not a weakly prime, because it can be changed into another prime (98239027499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49119513704 + 49119513705.

It is an arithmetic number, because the mean of its divisors is an integer number (49119513705).

Almost surely, 2^98239027409 is an apocalyptic number.

It is an amenable number.

98239027409 is a deficient number, since it is larger than the sum of its proper divisors (1).

98239027409 is an equidigital number, since it uses as much as digits as its factorization.

98239027409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 98239027409 in words is "ninety-eight billion, two hundred thirty-nine million, twenty-seven thousand, four hundred nine".