1380879419 has 2 divisors, whose sum is σ = 1380879420. Its totient is φ = 1380879418.

The previous prime is 1380879391. The next prime is 1380879421. The reversal of 1380879419 is 9149780831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1380879419 - 2²⁸ = 1112443963 is a prime.

It is a super-2 number, since 2×1380879419² = 3813655939635555122, which contains 22 as substring.

Together with 1380879421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1380879319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690439709 + 690439710.

It is an arithmetic number, because the mean of its divisors is an integer number (690439710).

Almost surely, 2^1380879419 is an apocalyptic number.

1380879419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380879419 is an equidigital number, since it uses as much as digits as its factorization.

1380879419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 1380879419 is about 37160.1859387167. The cubic root of 1380879419 is about 1113.5727262492.

The spelling of 1380879419 in words is "one billion, three hundred eighty million, eight hundred seventy-nine thousand, four hundred nineteen".