1513709379 has 24 divisors (see below), whose sum is σ = 2691040352. Its totient is φ = 798439680.

The previous prime is 1513709341. The next prime is 1513709389. The reversal of 1513709379 is 9739073151.

It is not a de Polignac number, because 1513709379 - 2⁸ = 1513709123 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1513709389) 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 in 23 ways as a sum of consecutive naturals, for example, 923302 + ... + 924939.

Almost surely, 2^1513709379 is an apocalyptic number.

1513709379 is a deficient number, since it is larger than the sum of its proper divisors (1177330973).

1513709379 is a wasteful number, since it uses less digits than its factorization.

1513709379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848267 (or 1848264 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 45.

The square root of 1513709379 is about 38906.4182237327. The cubic root of 1513709379 is about 1148.1910764496.

The spelling of 1513709379 in words is "one billion, five hundred thirteen million, seven hundred nine thousand, three hundred seventy-nine".