99703649 has 2 divisors, whose sum is σ = 99703650. Its totient is φ = 99703648.

The previous prime is 99703633. The next prime is 99703673. The reversal of 99703649 is 94630799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91107025 + 8596624 = 9545^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 99703649 - 2⁴ = 99703633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99700649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49851824 + 49851825.

It is an arithmetic number, because the mean of its divisors is an integer number (49851825).

Almost surely, 2^99703649 is an apocalyptic number.

It is an amenable number.

99703649 is a deficient number, since it is larger than the sum of its proper divisors (1).

99703649 is an equidigital number, since it uses as much as digits as its factorization.

99703649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 99703649 is about 9985.1714557137. The cubic root of 99703649 is about 463.6999165138.

The spelling of 99703649 in words is "ninety-nine million, seven hundred three thousand, six hundred forty-nine".