316645699 has 2 divisors, whose sum is σ = 316645700. Its totient is φ = 316645698.

The previous prime is 316645673. The next prime is 316645717. The reversal of 316645699 is 996546613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316645699 - 2¹³ = 316637507 is a prime.

It is not a weakly prime, because it can be changed into another prime (316645099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158322849 + 158322850.

It is an arithmetic number, because the mean of its divisors is an integer number (158322850).

Almost surely, 2^316645699 is an apocalyptic number.

316645699 is a deficient number, since it is larger than the sum of its proper divisors (1).

316645699 is an equidigital number, since it uses as much as digits as its factorization.

316645699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The square root of 316645699 is about 17794.5412697265. The cubic root of 316645699 is about 681.5920733718.

The spelling of 316645699 in words is "three hundred sixteen million, six hundred forty-five thousand, six hundred ninety-nine".