2090518013 has 2 divisors, whose sum is σ = 2090518014. Its totient is φ = 2090518012.

The previous prime is 2090517991. The next prime is 2090518037. The reversal of 2090518013 is 3108150902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191837529 + 898680484 = 34523^2 + 29978^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090518013 - 2²⁶ = 2023409149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090518513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045259006 + 1045259007.

It is an arithmetic number, because the mean of its divisors is an integer number (1045259007).

Almost surely, 2^2090518013 is an apocalyptic number.

It is an amenable number.

2090518013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090518013 is an equidigital number, since it uses as much as digits as its factorization.

2090518013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2090518013 is about 45722.1829421999. The cubic root of 2090518013 is about 1278.6488862130.

Adding to 2090518013 its reverse (3108150902), we get a palindrome (5198668915).

The spelling of 2090518013 in words is "two billion, ninety million, five hundred eighteen thousand, thirteen".