2113018426 has 16 divisors (see below), whose sum is σ = 3216942144. Its totient is φ = 1040811264.

The previous prime is 2113018423. The next prime is 2113018483. The reversal of 2113018426 is 6248103112.

It is a junction number, because it is equal to n+sod(n) for n = 2113018394 and 2113018403.

It is not an unprimeable number, because it can be changed into a prime (2113018421) 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, 13185 + ... + 66331.

It is an arithmetic number, because the mean of its divisors is an integer number (201058884).

Almost surely, 2^2113018426 is an apocalyptic number.

2113018426 is a deficient number, since it is larger than the sum of its proper divisors (1103923718).

2113018426 is a wasteful number, since it uses less digits than its factorization.

2113018426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53445.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2113018426 is about 45967.5801625450. The cubic root of 2113018426 is about 1283.2199259018.

The spelling of 2113018426 in words is "two billion, one hundred thirteen million, eighteen thousand, four hundred twenty-six".