316043789 has 2 divisors, whose sum is σ = 316043790. Its totient is φ = 316043788.

The previous prime is 316043779. The next prime is 316043803. The reversal of 316043789 is 987340613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315346564 + 697225 = 17758^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 316043789 - 2¹⁶ = 315978253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316043779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158021894 + 158021895.

It is an arithmetic number, because the mean of its divisors is an integer number (158021895).

Almost surely, 2^316043789 is an apocalyptic number.

It is an amenable number.

316043789 is a deficient number, since it is larger than the sum of its proper divisors (1).

316043789 is an equidigital number, since it uses as much as digits as its factorization.

316043789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 316043789 is about 17777.6204538178. The cubic root of 316043789 is about 681.1599212716.

The spelling of 316043789 in words is "three hundred sixteen million, forty-three thousand, seven hundred eighty-nine".