98936264081 has 2 divisors, whose sum is σ = 98936264082. Its totient is φ = 98936264080.

The previous prime is 98936264017. The next prime is 98936264087. The reversal of 98936264081 is 18046263989.

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., 97703130625 + 1233133456 = 312575^2 + 35116^2 .

It is a cyclic number.

It is not a de Polignac number, because 98936264081 - 2⁶ = 98936264017 is a prime.

It is a super-2 number, since 2×98936264081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98936264087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49468132040 + 49468132041.

It is an arithmetic number, because the mean of its divisors is an integer number (49468132041).

Almost surely, 2^98936264081 is an apocalyptic number.

It is an amenable number.

98936264081 is a deficient number, since it is larger than the sum of its proper divisors (1).

98936264081 is an equidigital number, since it uses as much as digits as its factorization.

98936264081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 98936264081 in words is "ninety-eight billion, nine hundred thirty-six million, two hundred sixty-four thousand, eighty-one".