98939832613 has 2 divisors, whose sum is σ = 98939832614. Its totient is φ = 98939832612.

The previous prime is 98939832569. The next prime is 98939832671. The reversal of 98939832613 is 31623893989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64906224289 + 34033608324 = 254767^2 + 184482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98939832613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98939832713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49469916306 + 49469916307.

It is an arithmetic number, because the mean of its divisors is an integer number (49469916307).

Almost surely, 2^98939832613 is an apocalyptic number.

It is an amenable number.

98939832613 is a deficient number, since it is larger than the sum of its proper divisors (1).

98939832613 is an equidigital number, since it uses as much as digits as its factorization.

98939832613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 61.

The spelling of 98939832613 in words is "ninety-eight billion, nine hundred thirty-nine million, eight hundred thirty-two thousand, six hundred thirteen".