3818650013 has 4 divisors (see below), whose sum is σ = 3872433888. Its totient is φ = 3764866140.

The previous prime is 3818649977. The next prime is 3818650021. The reversal of 3818650013 is 3100568183.

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 a cyclic number.

It is not a de Polignac number, because 3818650013 - 2¹⁶ = 3818584477 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 (3818650093) 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, 26891831 + ... + 26891972.

It is an arithmetic number, because the mean of its divisors is an integer number (968108472).

Almost surely, 2^3818650013 is an apocalyptic number.

It is an amenable number.

3818650013 is a deficient number, since it is larger than the sum of its proper divisors (53783875).

3818650013 is an equidigital number, since it uses as much as digits as its factorization.

3818650013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53783874.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 3818650013 is about 61795.2264580364. The cubic root of 3818650013 is about 1563.0394954781.

The spelling of 3818650013 in words is "three billion, eight hundred eighteen million, six hundred fifty thousand, thirteen".