2013368491 has 2 divisors, whose sum is σ = 2013368492. Its totient is φ = 2013368490.

The previous prime is 2013368479. The next prime is 2013368527. The reversal of 2013368491 is 1948633102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013368491 - 2²⁵ = 1979814059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2013368491.

It is not a weakly prime, because it can be changed into another prime (2013338491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006684245 + 1006684246.

It is an arithmetic number, because the mean of its divisors is an integer number (1006684246).

Almost surely, 2^2013368491 is an apocalyptic number.

2013368491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013368491 is an equidigital number, since it uses as much as digits as its factorization.

2013368491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2013368491 is about 44870.5748904558. The cubic root of 2013368491 is about 1262.7220255338.

The spelling of 2013368491 in words is "two billion, thirteen million, three hundred sixty-eight thousand, four hundred ninety-one".