998349996101 has 2 divisors, whose sum is σ = 998349996102. Its totient is φ = 998349996100.

The previous prime is 998349996043. The next prime is 998349996169. The reversal of 998349996101 is 101699943899.

It is an a-pointer prime, because the next prime (998349996169) can be obtained adding 998349996101 to its sum of digits (68).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846398160001 + 151951836100 = 919999^2 + 389810^2 .

It is a cyclic number.

It is not a de Polignac number, because 998349996101 - 2³⁰ = 997276254277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998349996191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499174998050 + 499174998051.

It is an arithmetic number, because the mean of its divisors is an integer number (499174998051).

Almost surely, 2^998349996101 is an apocalyptic number.

It is an amenable number.

998349996101 is a deficient number, since it is larger than the sum of its proper divisors (1).

998349996101 is an equidigital number, since it uses as much as digits as its factorization.

998349996101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34012224, while the sum is 68.

The spelling of 998349996101 in words is "nine hundred ninety-eight billion, three hundred forty-nine million, nine hundred ninety-six thousand, one hundred one".