316149479 has 4 divisors (see below), whose sum is σ = 318947376. Its totient is φ = 313351584.

The previous prime is 316149451. The next prime is 316149551. The reversal of 316149479 is 974941613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316149479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316149419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398779 + ... + 1399004.

It is an arithmetic number, because the mean of its divisors is an integer number (79736844).

Almost surely, 2^316149479 is an apocalyptic number.

316149479 is a deficient number, since it is larger than the sum of its proper divisors (2797897).

316149479 is a wasteful number, since it uses less digits than its factorization.

316149479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797896.

The product of its digits is 163296, while the sum is 44.

The square root of 316149479 is about 17780.5927628974. The cubic root of 316149479 is about 681.2358429962.

The spelling of 316149479 in words is "three hundred sixteen million, one hundred forty-nine thousand, four hundred seventy-nine".