98697712573 has 2 divisors, whose sum is σ = 98697712574. Its totient is φ = 98697712572.

The previous prime is 98697712541. The next prime is 98697712577. The reversal of 98697712573 is 37521779689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66852239364 + 31845473209 = 258558^2 + 178453^2 .

It is a cyclic number.

It is not a de Polignac number, because 98697712573 - 2⁵ = 98697712541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98697712577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49348856286 + 49348856287.

It is an arithmetic number, because the mean of its divisors is an integer number (49348856287).

Almost surely, 2^98697712573 is an apocalyptic number.

It is an amenable number.

98697712573 is a deficient number, since it is larger than the sum of its proper divisors (1).

98697712573 is an equidigital number, since it uses as much as digits as its factorization.

98697712573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 64.

The spelling of 98697712573 in words is "ninety-eight billion, six hundred ninety-seven million, seven hundred twelve thousand, five hundred seventy-three".