98499899489 has 2 divisors, whose sum is σ = 98499899490. Its totient is φ = 98499899488.

The previous prime is 98499899479. The next prime is 98499899573.

98499899489 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90055208464 + 8444691025 = 300092^2 + 91895^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 98499899489 - 2⁴ = 98499899473 is a prime.

It is a super-2 number, since 2×98499899489² (a number of 23 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 98499899489.

It is not a weakly prime, because it can be changed into another prime (98499899479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49249949744 + 49249949745.

It is an arithmetic number, because the mean of its divisors is an integer number (49249949745).

Almost surely, 2^98499899489 is an apocalyptic number.

It is an amenable number.

98499899489 is a deficient number, since it is larger than the sum of its proper divisors (1).

98499899489 is an equidigital number, since it uses as much as digits as its factorization.

98499899489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4353564672, while the sum is 86.

The spelling of 98499899489 in words is "ninety-eight billion, four hundred ninety-nine million, eight hundred ninety-nine thousand, four hundred eighty-nine".