1317044419 has 2 divisors, whose sum is σ = 1317044420. Its totient is φ = 1317044418.

The previous prime is 1317044381. The next prime is 1317044441. The reversal of 1317044419 is 9144407131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1317044419 - 2¹⁹ = 1316520131 is a prime.

It is a super-2 number, since 2×1317044419² = 3469212003238095122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1317044219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658522209 + 658522210.

It is an arithmetic number, because the mean of its divisors is an integer number (658522210).

Almost surely, 2^1317044419 is an apocalyptic number.

1317044419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317044419 is an equidigital number, since it uses as much as digits as its factorization.

1317044419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1317044419 is about 36291.1066102978. The cubic root of 1317044419 is about 1096.1419718919.

The spelling of 1317044419 in words is "one billion, three hundred seventeen million, forty-four thousand, four hundred nineteen".