1339790623 has 2 divisors, whose sum is σ = 1339790624. Its totient is φ = 1339790622.

The previous prime is 1339790611. The next prime is 1339790651. The reversal of 1339790623 is 3260979331.

It is a weak prime.

It is an emirp because it is prime and its reverse (3260979331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1339790623 - 2⁵ = 1339790591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1339790623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1339790693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669895311 + 669895312.

It is an arithmetic number, because the mean of its divisors is an integer number (669895312).

Almost surely, 2^1339790623 is an apocalyptic number.

1339790623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339790623 is an equidigital number, since it uses as much as digits as its factorization.

1339790623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 1339790623 is about 36603.1504518395. The cubic root of 1339790623 is about 1102.4163474013.

The spelling of 1339790623 in words is "one billion, three hundred thirty-nine million, seven hundred ninety thousand, six hundred twenty-three".