316963409 has 6 divisors (see below), whose sum is σ = 368712594. Its totient is φ = 271682880.

The previous prime is 316963403. The next prime is 316963411. The reversal of 316963409 is 904369613.

It can be written as a sum of positive squares in only one way, i.e., 263965009 + 52998400 = 16247^2 + 7280^2 .

It is not a de Polignac number, because 316963409 - 2²⁴ = 300186193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316963403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3234272 + ... + 3234369.

It is an arithmetic number, because the mean of its divisors is an integer number (61452099).

Almost surely, 2^316963409 is an apocalyptic number.

It is an amenable number.

316963409 is a deficient number, since it is larger than the sum of its proper divisors (51749185).

316963409 is an equidigital number, since it uses as much as digits as its factorization.

316963409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468655 (or 6468648 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 316963409 is about 17803.4662074552. The cubic root of 316963409 is about 681.8199581793.

The spelling of 316963409 in words is "three hundred sixteen million, nine hundred sixty-three thousand, four hundred nine".