4536913513 has 6 divisors (see below), whose sum is σ = 4986855482. Its totient is φ = 4124466720.

The previous prime is 4536913483. The next prime is 4536913517. The reversal of 4536913513 is 3153196354.

It can be written as a sum of positive squares in only one way, i.e., 4514227344 + 22686169 = 67188^2 + 4763^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4536913513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4536913517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18747456 + ... + 18747697.

Almost surely, 2^4536913513 is an apocalyptic number.

It is an amenable number.

4536913513 is a deficient number, since it is larger than the sum of its proper divisors (449941969).

4536913513 is a wasteful number, since it uses less digits than its factorization.

4536913513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37495175 (or 37495164 counting only the distinct ones).

The product of its digits is 145800, while the sum is 40.

The square root of 4536913513 is about 67356.6144710377. The cubic root of 4536913513 is about 1655.4656232859.

The spelling of 4536913513 in words is "four billion, five hundred thirty-six million, nine hundred thirteen thousand, five hundred thirteen".