1314947719 has 2 divisors, whose sum is σ = 1314947720. Its totient is φ = 1314947718.

The previous prime is 1314947707. The next prime is 1314947741. The reversal of 1314947719 is 9177494131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1314947719 - 2¹⁷ = 1314816647 is a prime.

It is a super-2 number, since 2×1314947719² = 3458175007406605922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314947819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657473859 + 657473860.

It is an arithmetic number, because the mean of its divisors is an integer number (657473860).

Almost surely, 2^1314947719 is an apocalyptic number.

1314947719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314947719 is an equidigital number, since it uses as much as digits as its factorization.

1314947719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 46.

The square root of 1314947719 is about 36262.2078616292. The cubic root of 1314947719 is about 1095.5599865718.

The spelling of 1314947719 in words is "one billion, three hundred fourteen million, nine hundred forty-seven thousand, seven hundred nineteen".