2385513983 has 4 divisors (see below), whose sum is σ = 2386012608. Its totient is φ = 2385015360.

The previous prime is 2385513971. The next prime is 2385514009. The reversal of 2385513983 is 3893155832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2385513983 - 2⁸ = 2385513727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385513283) 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 3 ways as a sum of consecutive naturals, for example, 242066 + ... + 251727.

It is an arithmetic number, because the mean of its divisors is an integer number (596503152).

Almost surely, 2^2385513983 is an apocalyptic number.

2385513983 is a deficient number, since it is larger than the sum of its proper divisors (498625).

2385513983 is an equidigital number, since it uses as much as digits as its factorization.

2385513983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498624.

The product of its digits is 777600, while the sum is 47.

The square root of 2385513983 is about 48841.7237922660. The cubic root of 2385513983 is about 1336.1667353112.

The spelling of 2385513983 in words is "two billion, three hundred eighty-five million, five hundred thirteen thousand, nine hundred eighty-three".