98429993917 has 2 divisors, whose sum is σ = 98429993918. Its totient is φ = 98429993916.

The previous prime is 98429993911. The next prime is 98429994077. The reversal of 98429993917 is 71939992489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81084840516 + 17345153401 = 284754^2 + 131701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98429993917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98429993911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49214996958 + 49214996959.

It is an arithmetic number, because the mean of its divisors is an integer number (49214996959).

Almost surely, 2^98429993917 is an apocalyptic number.

It is an amenable number.

98429993917 is a deficient number, since it is larger than the sum of its proper divisors (1).

98429993917 is an equidigital number, since it uses as much as digits as its factorization.

98429993917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79361856, while the sum is 70.

The spelling of 98429993917 in words is "ninety-eight billion, four hundred twenty-nine million, nine hundred ninety-three thousand, nine hundred seventeen".