1379017727 has 2 divisors, whose sum is σ = 1379017728. Its totient is φ = 1379017726.

The previous prime is 1379017721. The next prime is 1379017729. The reversal of 1379017727 is 7277109731.

It is a strong prime.

It is an emirp because it is prime and its reverse (7277109731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1379017727 - 2⁴ = 1379017711 is a prime.

Together with 1379017729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379017721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689508863 + 689508864.

It is an arithmetic number, because the mean of its divisors is an integer number (689508864).

Almost surely, 2^1379017727 is an apocalyptic number.

1379017727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379017727 is an equidigital number, since it uses as much as digits as its factorization.

1379017727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129654, while the sum is 44.

The square root of 1379017727 is about 37135.1279383820. The cubic root of 1379017727 is about 1113.0720641915.

The spelling of 1379017727 in words is "one billion, three hundred seventy-nine million, seventeen thousand, seven hundred twenty-seven".