99343649 has 2 divisors, whose sum is σ = 99343650. Its totient is φ = 99343648.

The previous prime is 99343637. The next prime is 99343661. The reversal of 99343649 is 94634399.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (99343637) and next prime (99343661).

It can be written as a sum of positive squares in only one way, i.e., 53875600 + 45468049 = 7340^2 + 6743^2 .

It is an emirp because it is prime and its reverse (94634399) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99343649 is a prime.

It is not a weakly prime, because it can be changed into another prime (99343619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49671824 + 49671825.

It is an arithmetic number, because the mean of its divisors is an integer number (49671825).

Almost surely, 2^99343649 is an apocalyptic number.

It is an amenable number.

99343649 is a deficient number, since it is larger than the sum of its proper divisors (1).

99343649 is an equidigital number, since it uses as much as digits as its factorization.

99343649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 47.

The square root of 99343649 is about 9967.1284229712. The cubic root of 99343649 is about 463.1411496436.

The spelling of 99343649 in words is "ninety-nine million, three hundred forty-three thousand, six hundred forty-nine".