4381539513 has 32 divisors (see below), whose sum is σ = 6351246720. Its totient is φ = 2670796800.

The previous prime is 4381539499. The next prime is 4381539527. The reversal of 4381539513 is 3159351834.

It is an interprime number because it is at equal distance from previous prime (4381539499) and next prime (4381539527).

It is not a de Polignac number, because 4381539513 - 2²⁰ = 4380490937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4381539553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3799545 + ... + 3800697.

It is an arithmetic number, because the mean of its divisors is an integer number (198476460).

Almost surely, 2^4381539513 is an apocalyptic number.

It is an amenable number.

4381539513 is a deficient number, since it is larger than the sum of its proper divisors (1969707207).

4381539513 is a wasteful number, since it uses less digits than its factorization.

4381539513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its digits is 194400, while the sum is 42.

The square root of 4381539513 is about 66193.1983892605. The cubic root of 4381539513 is about 1636.3476515276.

The spelling of 4381539513 in words is "four billion, three hundred eighty-one million, five hundred thirty-nine thousand, five hundred thirteen".