99211433 has 2 divisors, whose sum is σ = 99211434. Its totient is φ = 99211432.

The previous prime is 99211429. The next prime is 99211451. The reversal of 99211433 is 33411299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 6801664 = 9613^2 + 2608^2 .

It is an emirp because it is prime and its reverse (33411299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99211433 - 2² = 99211429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99211433.

It is not a weakly prime, because it can be changed into another prime (99211423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49605716 + 49605717.

It is an arithmetic number, because the mean of its divisors is an integer number (49605717).

Almost surely, 2^99211433 is an apocalyptic number.

It is an amenable number.

99211433 is a deficient number, since it is larger than the sum of its proper divisors (1).

99211433 is an equidigital number, since it uses as much as digits as its factorization.

99211433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 99211433 is about 9960.4936122664. The cubic root of 99211433 is about 462.9355942923.

The spelling of 99211433 in words is "ninety-nine million, two hundred eleven thousand, four hundred thirty-three".