98318672681 has 2 divisors, whose sum is σ = 98318672682. Its totient is φ = 98318672680.

The previous prime is 98318672633. The next prime is 98318672701. The reversal of 98318672681 is 18627681389.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87154848400 + 11163824281 = 295220^2 + 105659^2 .

It is a cyclic number.

It is not a de Polignac number, because 98318672681 - 2¹⁸ = 98318410537 is a prime.

It is a super-2 number, since 2×98318672681² (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 98318672681.

It is not a weakly prime, because it can be changed into another prime (98318872681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49159336340 + 49159336341.

It is an arithmetic number, because the mean of its divisors is an integer number (49159336341).

Almost surely, 2^98318672681 is an apocalyptic number.

It is an amenable number.

98318672681 is a deficient number, since it is larger than the sum of its proper divisors (1).

98318672681 is an equidigital number, since it uses as much as digits as its factorization.

98318672681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 59.

The spelling of 98318672681 in words is "ninety-eight billion, three hundred eighteen million, six hundred seventy-two thousand, six hundred eighty-one".