1513738679 has 2 divisors, whose sum is σ = 1513738680. Its totient is φ = 1513738678.

The previous prime is 1513738661. The next prime is 1513738693. The reversal of 1513738679 is 9768373151.

It is a strong prime.

It is an emirp because it is prime and its reverse (9768373151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513738679 - 2⁸ = 1513738423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513738879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756869339 + 756869340.

It is an arithmetic number, because the mean of its divisors is an integer number (756869340).

Almost surely, 2^1513738679 is an apocalyptic number.

1513738679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513738679 is an equidigital number, since it uses as much as digits as its factorization.

1513738679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 1513738679 is about 38906.7947664672. The cubic root of 1513738679 is about 1148.1984846928.

The spelling of 1513738679 in words is "one billion, five hundred thirteen million, seven hundred thirty-eight thousand, six hundred seventy-nine".