1513983309 has 8 divisors (see below), whose sum is σ = 2088252960. Its totient is φ = 974517936.

The previous prime is 1513983287. The next prime is 1513983313. The reversal of 1513983309 is 9033893151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1513983309 - 2⁵ = 1513983277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513983209) 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 7 ways as a sum of consecutive naturals, for example, 8700967 + ... + 8701140.

It is an arithmetic number, because the mean of its divisors is an integer number (261031620).

Almost surely, 2^1513983309 is an apocalyptic number.

It is an amenable number.

1513983309 is a deficient number, since it is larger than the sum of its proper divisors (574269651).

1513983309 is a wasteful number, since it uses less digits than its factorization.

1513983309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17402139.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1513983309 is about 38909.9384348009. The cubic root of 1513983309 is about 1148.2603334715.

The spelling of 1513983309 in words is "one billion, five hundred thirteen million, nine hundred eighty-three thousand, three hundred nine".