299649913 has 2 divisors, whose sum is σ = 299649914. Its totient is φ = 299649912.

The previous prime is 299649887. The next prime is 299649941. The reversal of 299649913 is 319946992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169963369 + 129686544 = 13037^2 + 11388^2 .

It is a cyclic number.

It is not a de Polignac number, because 299649913 - 2¹⁷ = 299518841 is a prime.

It is not a weakly prime, because it can be changed into another prime (299649943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149824956 + 149824957.

It is an arithmetic number, because the mean of its divisors is an integer number (149824957).

Almost surely, 2^299649913 is an apocalyptic number.

It is an amenable number.

299649913 is a deficient number, since it is larger than the sum of its proper divisors (1).

299649913 is an equidigital number, since it uses as much as digits as its factorization.

299649913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 52.

The square root of 299649913 is about 17310.3989844255. The cubic root of 299649913 is about 669.1724489767.

The spelling of 299649913 in words is "two hundred ninety-nine million, six hundred forty-nine thousand, nine hundred thirteen".