99411649 has 2 divisors, whose sum is σ = 99411650. Its totient is φ = 99411648.

The previous prime is 99411643. The next prime is 99411661. The reversal of 99411649 is 94611499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99361024 + 50625 = 9968^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 99411649 - 2¹³ = 99403457 is a prime.

It is not a weakly prime, because it can be changed into another prime (99411643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49705824 + 49705825.

It is an arithmetic number, because the mean of its divisors is an integer number (49705825).

Almost surely, 2^99411649 is an apocalyptic number.

It is an amenable number.

99411649 is a deficient number, since it is larger than the sum of its proper divisors (1).

99411649 is an equidigital number, since it uses as much as digits as its factorization.

99411649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 43.

The square root of 99411649 is about 9970.5390526290. The cubic root of 99411649 is about 463.2467977835.

The spelling of 99411649 in words is "ninety-nine million, four hundred eleven thousand, six hundred forty-nine".