99837559453 has 2 divisors, whose sum is σ = 99837559454. Its totient is φ = 99837559452.

The previous prime is 99837559441. The next prime is 99837559477. The reversal of 99837559453 is 35495573899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86390142084 + 13447417369 = 293922^2 + 115963^2 .

It is a cyclic number.

It is not a de Polignac number, because 99837559453 - 2⁹ = 99837558941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99837559403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49918779726 + 49918779727.

It is an arithmetic number, because the mean of its divisors is an integer number (49918779727).

Almost surely, 2^99837559453 is an apocalyptic number.

It is an amenable number.

99837559453 is a deficient number, since it is larger than the sum of its proper divisors (1).

99837559453 is an equidigital number, since it uses as much as digits as its factorization.

99837559453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708000, while the sum is 67.

The spelling of 99837559453 in words is "ninety-nine billion, eight hundred thirty-seven million, five hundred fifty-nine thousand, four hundred fifty-three".