2113259636 has 12 divisors (see below), whose sum is σ = 3700236960. Its totient is φ = 1056049080.

The previous prime is 2113259633. The next prime is 2113259641. The reversal of 2113259636 is 6369523112.

It is a self number, because there is not a number n which added to its sum of digits gives 2113259636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113259633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136946 + ... + 151593.

It is an arithmetic number, because the mean of its divisors is an integer number (308353080).

Almost surely, 2^2113259636 is an apocalyptic number.

It is an amenable number.

2113259636 is a deficient number, since it is larger than the sum of its proper divisors (1586977324).

2113259636 is a wasteful number, since it uses less digits than its factorization.

2113259636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290374 (or 290372 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 2113259636 is about 45970.2037846255. The cubic root of 2113259636 is about 1283.2687523732.

The spelling of 2113259636 in words is "two billion, one hundred thirteen million, two hundred fifty-nine thousand, six hundred thirty-six".