1339381619 has 2 divisors, whose sum is σ = 1339381620. Its totient is φ = 1339381618.

The previous prime is 1339381543. The next prime is 1339381643. The reversal of 1339381619 is 9161839331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1339381619 - 2²⁰ = 1338333043 is a prime.

It is a super-2 number, since 2×1339381619² = 3587886242630122322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1339381619.

It is not a weakly prime, because it can be changed into another prime (1339381919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669690809 + 669690810.

It is an arithmetic number, because the mean of its divisors is an integer number (669690810).

Almost surely, 2^1339381619 is an apocalyptic number.

1339381619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339381619 is an equidigital number, since it uses as much as digits as its factorization.

1339381619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 44.

The square root of 1339381619 is about 36597.5630199608. The cubic root of 1339381619 is about 1102.3041560938.

The spelling of 1339381619 in words is "one billion, three hundred thirty-nine million, three hundred eighty-one thousand, six hundred nineteen".