98599992481 has 2 divisors, whose sum is σ = 98599992482. Its totient is φ = 98599992480.

The previous prime is 98599992443. The next prime is 98599992497. The reversal of 98599992481 is 18429999589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67020925456 + 31579067025 = 258884^2 + 177705^2 .

It is a cyclic number.

It is not a de Polignac number, because 98599992481 - 2⁹ = 98599991969 is a prime.

It is a super-2 number, since 2×98599992481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98599992181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49299996240 + 49299996241.

It is an arithmetic number, because the mean of its divisors is an integer number (49299996241).

Almost surely, 2^98599992481 is an apocalyptic number.

It is an amenable number.

98599992481 is a deficient number, since it is larger than the sum of its proper divisors (1).

98599992481 is an equidigital number, since it uses as much as digits as its factorization.

98599992481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151165440, while the sum is 73.

The spelling of 98599992481 in words is "ninety-eight billion, five hundred ninety-nine million, nine hundred ninety-two thousand, four hundred eighty-one".