99244897919941 has 2 divisors, whose sum is σ = 99244897919942. Its totient is φ = 99244897919940.

The previous prime is 99244897919917. The next prime is 99244897920011. The reversal of 99244897919941 is 14991979844299.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82314520380225 + 16930377539716 = 9072735^2 + 4114654^2 .

It is a cyclic number.

It is not a de Polignac number, because 99244897919941 - 2²⁷ = 99244763702213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99244897917941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49622448959970 + 49622448959971.

It is an arithmetic number, because the mean of its divisors is an integer number (49622448959971).

Almost surely, 2^{99244897919941} is an apocalyptic number.

It is an amenable number.

99244897919941 is a deficient number, since it is larger than the sum of its proper divisors (1).

99244897919941 is an equidigital number, since it uses as much as digits as its factorization.

99244897919941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3809369088, while the sum is 85.

The spelling of 99244897919941 in words is "ninety-nine trillion, two hundred forty-four billion, eight hundred ninety-seven million, nine hundred nineteen thousand, nine hundred forty-one".