1379598679 has 2 divisors, whose sum is σ = 1379598680. Its totient is φ = 1379598678.

The previous prime is 1379598677. The next prime is 1379598733. The reversal of 1379598679 is 9768959731.

It is a weak prime.

It is an emirp because it is prime and its reverse (9768959731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1379598679 - 2¹ = 1379598677 is a prime.

Together with 1379598677, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1379598679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379598677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689799339 + 689799340.

It is an arithmetic number, because the mean of its divisors is an integer number (689799340).

Almost surely, 2^1379598679 is an apocalyptic number.

1379598679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379598679 is an equidigital number, since it uses as much as digits as its factorization.

1379598679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25719120, while the sum is 64.

The square root of 1379598679 is about 37142.9492501605. The cubic root of 1379598679 is about 1113.2283470888.

The spelling of 1379598679 in words is "one billion, three hundred seventy-nine million, five hundred ninety-eight thousand, six hundred seventy-nine".