98031492798989 has 2 divisors, whose sum is σ = 98031492798990. Its totient is φ = 98031492798988.

The previous prime is 98031492798973. The next prime is 98031492799003. The reversal of 98031492798989 is 98989729413089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57763800062500 + 40267692736489 = 7600250^2 + 6345683^2 .

It is an emirp because it is prime and its reverse (98989729413089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98031492798989 - 2⁴ = 98031492798973 is a prime.

It is a super-2 number, since 2×98031492798989² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 98031492798989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98031492798289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49015746399494 + 49015746399495.

It is an arithmetic number, because the mean of its divisors is an integer number (49015746399495).

Almost surely, 2^{98031492798989} is an apocalyptic number.

It is an amenable number.

98031492798989 is a deficient number, since it is larger than the sum of its proper divisors (1).

98031492798989 is an equidigital number, since it uses as much as digits as its factorization.

98031492798989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5079158784, while the sum is 86.

The spelling of 98031492798989 in words is "ninety-eight trillion, thirty-one billion, four hundred ninety-two million, seven hundred ninety-eight thousand, nine hundred eighty-nine".