3518612045213 has 4 divisors (see below), whose sum is σ = 3522367235100. Its totient is φ = 3514856855328.

The previous prime is 3518612045197. The next prime is 3518612045239. The reversal of 3518612045213 is 3125402168153.

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

It can be written as a sum of positive squares in 2 ways, for example, as 364087939609 + 3154524105604 = 603397^2 + 1776098^2 .

It is a cyclic number.

It is not a de Polignac number, because 3518612045213 - 2⁴ = 3518612045197 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 (3518612095213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877593538 + ... + 1877595411.

It is an arithmetic number, because the mean of its divisors is an integer number (880591808775).

Almost surely, 2^{3518612045213} is an apocalyptic number.

It is an amenable number.

3518612045213 is a deficient number, since it is larger than the sum of its proper divisors (3755189887).

3518612045213 is an equidigital number, since it uses as much as digits as its factorization.

3518612045213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755189886.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 3518612045213 in words is "three trillion, five hundred eighteen billion, six hundred twelve million, forty-five thousand, two hundred thirteen".