98194444613 has 2 divisors, whose sum is σ = 98194444614. Its totient is φ = 98194444612.

The previous prime is 98194444511. The next prime is 98194444681. The reversal of 98194444613 is 31644449189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97733140129 + 461304484 = 312623^2 + 21478^2 .

It is a cyclic number.

It is not a de Polignac number, because 98194444613 - 2⁸ = 98194444357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98194444213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49097222306 + 49097222307.

It is an arithmetic number, because the mean of its divisors is an integer number (49097222307).

Almost surely, 2^98194444613 is an apocalyptic number.

It is an amenable number.

98194444613 is a deficient number, since it is larger than the sum of its proper divisors (1).

98194444613 is an equidigital number, since it uses as much as digits as its factorization.

98194444613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 53.

The spelling of 98194444613 in words is "ninety-eight billion, one hundred ninety-four million, four hundred forty-four thousand, six hundred thirteen".