99343637 has 2 divisors, whose sum is σ = 99343638. Its totient is φ = 99343636.

The previous prime is 99343619. The next prime is 99343649. The reversal of 99343637 is 73634399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72573361 + 26770276 = 8519^2 + 5174^2 .

It is a cyclic number.

It is not a de Polignac number, because 99343637 - 2¹⁰ = 99342613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99343667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49671818 + 49671819.

It is an arithmetic number, because the mean of its divisors is an integer number (49671819).

Almost surely, 2^99343637 is an apocalyptic number.

It is an amenable number.

99343637 is a deficient number, since it is larger than the sum of its proper divisors (1).

99343637 is an equidigital number, since it uses as much as digits as its factorization.

99343637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 44.

The square root of 99343637 is about 9967.1278209924. The cubic root of 99343637 is about 463.1411309955.

The spelling of 99343637 in words is "ninety-nine million, three hundred forty-three thousand, six hundred thirty-seven".