2113893518 has 16 divisors (see below), whose sum is σ = 3460507056. Its totient is φ = 960469440.

The previous prime is 2113893517. The next prime is 2113893521. The reversal of 2113893518 is 8153983112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113893517) 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, 39680 + ... + 76172.

It is an arithmetic number, because the mean of its divisors is an integer number (216281691).

Almost surely, 2^2113893518 is an apocalyptic number.

2113893518 is a deficient number, since it is larger than the sum of its proper divisors (1346613538).

2113893518 is a wasteful number, since it uses less digits than its factorization.

2113893518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39139.

The product of its digits is 51840, while the sum is 41.

The square root of 2113893518 is about 45977.0977552955. The cubic root of 2113893518 is about 1283.3970470120.

The spelling of 2113893518 in words is "two billion, one hundred thirteen million, eight hundred ninety-three thousand, five hundred eighteen".