98697974681 has 2 divisors, whose sum is σ = 98697974682. Its totient is φ = 98697974680.

The previous prime is 98697974677. The next prime is 98697974699. The reversal of 98697974681 is 18647979689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72635101081 + 26062873600 = 269509^2 + 161440^2 .

It is a cyclic number.

It is not a de Polignac number, because 98697974681 - 2² = 98697974677 is a prime.

It is a super-3 number, since 3×98697974681³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 98697974599 and 98697974608.

It is not a weakly prime, because it can be changed into another prime (98697974381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49348987340 + 49348987341.

It is an arithmetic number, because the mean of its divisors is an integer number (49348987341).

Almost surely, 2^98697974681 is an apocalyptic number.

It is an amenable number.

98697974681 is a deficient number, since it is larger than the sum of its proper divisors (1).

98697974681 is an equidigital number, since it uses as much as digits as its factorization.

98697974681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329204736, while the sum is 74.

The spelling of 98697974681 in words is "ninety-eight billion, six hundred ninety-seven million, nine hundred seventy-four thousand, six hundred eighty-one".