99841633 has 2 divisors, whose sum is σ = 99841634. Its totient is φ = 99841632.

The previous prime is 99841541. The next prime is 99841639. The reversal of 99841633 is 33614899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92486689 + 7354944 = 9617^2 + 2712^2 .

It is a cyclic number.

It is not a de Polignac number, because 99841633 - 2¹³ = 99833441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99841633.

It is not a weakly prime, because it can be changed into another prime (99841639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49920816 + 49920817.

It is an arithmetic number, because the mean of its divisors is an integer number (49920817).

Almost surely, 2^99841633 is an apocalyptic number.

It is an amenable number.

99841633 is a deficient number, since it is larger than the sum of its proper divisors (1).

99841633 is an equidigital number, since it uses as much as digits as its factorization.

99841633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 99841633 is about 9992.0785125018. The cubic root of 99841633 is about 463.9137290683.

The spelling of 99841633 in words is "ninety-nine million, eight hundred forty-one thousand, six hundred thirty-three".