299970149 has 2 divisors, whose sum is σ = 299970150. Its totient is φ = 299970148.

The previous prime is 299970133. The next prime is 299970161. The reversal of 299970149 is 941079992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205005124 + 94965025 = 14318^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 299970149 - 2⁴ = 299970133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 299970097 and 299970106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299970109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149985074 + 149985075.

It is an arithmetic number, because the mean of its divisors is an integer number (149985075).

Almost surely, 2^299970149 is an apocalyptic number.

It is an amenable number.

299970149 is a deficient number, since it is larger than the sum of its proper divisors (1).

299970149 is an equidigital number, since it uses as much as digits as its factorization.

299970149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 299970149 is about 17319.6463301073. The cubic root of 299970149 is about 669.4107457424.

The spelling of 299970149 in words is "two hundred ninety-nine million, nine hundred seventy thousand, one hundred forty-nine".