318749467 has 2 divisors, whose sum is σ = 318749468. Its totient is φ = 318749466.

The previous prime is 318749443. The next prime is 318749489. The reversal of 318749467 is 764947813.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318749467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318749467.

It is not a weakly prime, because it can be changed into another prime (318149467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159374733 + 159374734.

It is an arithmetic number, because the mean of its divisors is an integer number (159374734).

Almost surely, 2^318749467 is an apocalyptic number.

318749467 is a deficient number, since it is larger than the sum of its proper divisors (1).

318749467 is an equidigital number, since it uses as much as digits as its factorization.

318749467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 318749467 is about 17853.5561443652. The cubic root of 318749467 is about 683.0982232741.

The spelling of 318749467 in words is "three hundred eighteen million, seven hundred forty-nine thousand, four hundred sixty-seven".