1379457179 has 2 divisors, whose sum is σ = 1379457180. Its totient is φ = 1379457178.

The previous prime is 1379457173. The next prime is 1379457187. The reversal of 1379457179 is 9717549731.

It is a weak prime.

It is an emirp because it is prime and its reverse (9717549731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1379457179 - 2²⁴ = 1362679963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1379457179.

It is not a weakly prime, because it can be changed into another prime (1379457173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689728589 + 689728590.

It is an arithmetic number, because the mean of its divisors is an integer number (689728590).

Almost surely, 2^1379457179 is an apocalyptic number.

1379457179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379457179 is an equidigital number, since it uses as much as digits as its factorization.

1379457179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1666980, while the sum is 53.

The square root of 1379457179 is about 37141.0443983472. The cubic root of 1379457179 is about 1113.1902859726.

The spelling of 1379457179 in words is "one billion, three hundred seventy-nine million, four hundred fifty-seven thousand, one hundred seventy-nine".