2118732963 has 16 divisors (see below), whose sum is σ = 2855617920. Its totient is φ = 1397251584.

The previous prime is 2118732871. The next prime is 2118732983. The reversal of 2118732963 is 3692378112.

2118732963 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2118732963 - 2¹⁶ = 2118667427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2118732983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93420 + ... + 113862.

It is an arithmetic number, because the mean of its divisors is an integer number (178476120).

Almost surely, 2^2118732963 is an apocalyptic number.

2118732963 is a deficient number, since it is larger than the sum of its proper divisors (736884957).

2118732963 is a wasteful number, since it uses less digits than its factorization.

2118732963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20818.

The product of its digits is 108864, while the sum is 42.

The square root of 2118732963 is about 46029.6965338682. The cubic root of 2118732963 is about 1284.3756828360.

The spelling of 2118732963 in words is "two billion, one hundred eighteen million, seven hundred thirty-two thousand, nine hundred sixty-three".