1316399419 has 2 divisors, whose sum is σ = 1316399420. Its totient is φ = 1316399418.

The previous prime is 1316399353. The next prime is 1316399479. The reversal of 1316399419 is 9149936131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316399419 - 2²³ = 1308010811 is a prime.

It is a super-2 number, since 2×1316399419² = 3465814860687075122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1316399479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658199709 + 658199710.

It is an arithmetic number, because the mean of its divisors is an integer number (658199710).

Almost surely, 2^1316399419 is an apocalyptic number.

1316399419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316399419 is an equidigital number, since it uses as much as digits as its factorization.

1316399419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 46.

The square root of 1316399419 is about 36282.2190473516. The cubic root of 1316399419 is about 1095.9630037395.

The spelling of 1316399419 in words is "one billion, three hundred sixteen million, three hundred ninety-nine thousand, four hundred nineteen".