98999819351 has 2 divisors, whose sum is σ = 98999819352. Its totient is φ = 98999819350.

The previous prime is 98999819309. The next prime is 98999819377. The reversal of 98999819351 is 15391899989.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98999819351 is a prime.

It is a super-2 number, since 2×98999819351² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98999819551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49499909675 + 49499909676.

It is an arithmetic number, because the mean of its divisors is an integer number (49499909676).

Almost surely, 2^98999819351 is an apocalyptic number.

98999819351 is a deficient number, since it is larger than the sum of its proper divisors (1).

98999819351 is an equidigital number, since it uses as much as digits as its factorization.

98999819351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56687040, while the sum is 71.

The spelling of 98999819351 in words is "ninety-eight billion, nine hundred ninety-nine million, eight hundred nineteen thousand, three hundred fifty-one".