1316619373 has 2 divisors, whose sum is σ = 1316619374. Its totient is φ = 1316619372.

The previous prime is 1316619341. The next prime is 1316619377. The reversal of 1316619373 is 3739166131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850188964 + 466430409 = 29158^2 + 21597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316619373 - 2⁵ = 1316619341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316619377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658309686 + 658309687.

It is an arithmetic number, because the mean of its divisors is an integer number (658309687).

Almost surely, 2^1316619373 is an apocalyptic number.

It is an amenable number.

1316619373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316619373 is an equidigital number, since it uses as much as digits as its factorization.

1316619373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 40.

The square root of 1316619373 is about 36285.2500749271. The cubic root of 1316619373 is about 1096.0240409440.

The spelling of 1316619373 in words is "one billion, three hundred sixteen million, six hundred nineteen thousand, three hundred seventy-three".