1316690873 has 2 divisors, whose sum is σ = 1316690874. Its totient is φ = 1316690872.

The previous prime is 1316690849. The next prime is 1316690887. The reversal of 1316690873 is 3780966131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121446144 + 195244729 = 33488^2 + 13973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316690873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316690173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658345436 + 658345437.

It is an arithmetic number, because the mean of its divisors is an integer number (658345437).

Almost surely, 2^1316690873 is an apocalyptic number.

It is an amenable number.

1316690873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316690873 is an equidigital number, since it uses as much as digits as its factorization.

1316690873 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1316690873 is about 36286.2353103763. The cubic root of 1316690873 is about 1096.0438807200.

The spelling of 1316690873 in words is "one billion, three hundred sixteen million, six hundred ninety thousand, eight hundred seventy-three".