4540004013 has 4 divisors (see below), whose sum is σ = 6053338688. Its totient is φ = 3026669340.

The previous prime is 4540003999. The next prime is 4540004069. The reversal of 4540004013 is 3104000454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4540004013 - 2⁵ = 4540003981 is a prime.

It is a super-2 number, since 2×4540004013² = 41223272876112208338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540004083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756667333 + ... + 756667338.

It is an arithmetic number, because the mean of its divisors is an integer number (1513334672).

Almost surely, 2^4540004013 is an apocalyptic number.

It is an amenable number.

4540004013 is a deficient number, since it is larger than the sum of its proper divisors (1513334675).

4540004013 is a wasteful number, since it uses less digits than its factorization.

4540004013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513334674.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4540004013 is about 67379.5518907628. The cubic root of 4540004013 is about 1655.8414334946.

Adding to 4540004013 its reverse (3104000454), we get a palindrome (7644004467).

The spelling of 4540004013 in words is "four billion, five hundred forty million, four thousand, thirteen".