2113522763 has 8 divisors (see below), whose sum is σ = 2306635056. Its totient is φ = 1920572800.

The previous prime is 2113522751. The next prime is 2113522777. The reversal of 2113522763 is 3672253112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113522763 - 2²⁰ = 2112474187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113522793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12506 + ... + 66207.

It is an arithmetic number, because the mean of its divisors is an integer number (288329382).

Almost surely, 2^2113522763 is an apocalyptic number.

2113522763 is a deficient number, since it is larger than the sum of its proper divisors (193112293).

2113522763 is a wasteful number, since it uses less digits than its factorization.

2113522763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81165.

The product of its digits is 15120, while the sum is 32.

The square root of 2113522763 is about 45973.0656254290. The cubic root of 2113522763 is about 1283.3220111143.

Adding to 2113522763 its reverse (3672253112), we get a palindrome (5785775875).

The spelling of 2113522763 in words is "two billion, one hundred thirteen million, five hundred twenty-two thousand, seven hundred sixty-three".