1983387513 has 16 divisors (see below), whose sum is σ = 2712258560. Its totient is φ = 1288529424.

The previous prime is 1983387503. The next prime is 1983387521. The reversal of 1983387513 is 3157833891.

It is not a de Polignac number, because 1983387513 - 2⁵ = 1983387481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1983387503) 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 15 ways as a sum of consecutive naturals, for example, 39120 + ... + 74142.

It is an arithmetic number, because the mean of its divisors is an integer number (169516160).

Almost surely, 2^1983387513 is an apocalyptic number.

It is an amenable number.

1983387513 is a deficient number, since it is larger than the sum of its proper divisors (728871047).

1983387513 is a wasteful number, since it uses less digits than its factorization.

1983387513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35508.

The product of its digits is 544320, while the sum is 48.

The square root of 1983387513 is about 44535.2390023900. The cubic root of 1983387513 is about 1256.4229428894.

The spelling of 1983387513 in words is "one billion, nine hundred eighty-three million, three hundred eighty-seven thousand, five hundred thirteen".