2118263013 has 24 divisors (see below), whose sum is σ = 3222816480. Its totient is φ = 1336992480.

The previous prime is 2118262967. The next prime is 2118263023. The reversal of 2118263013 is 3103628112.

It is a happy number.

2118263013 is a `hidden beast` number, since 2 + 1 + 18 + 2 + 630 + 13 = 666.

It is not a de Polignac number, because 2118263013 - 2¹³ = 2118254821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118263023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361495 + ... + 367307.

It is an arithmetic number, because the mean of its divisors is an integer number (134284020).

Almost surely, 2^2118263013 is an apocalyptic number.

It is an amenable number.

2118263013 is a deficient number, since it is larger than the sum of its proper divisors (1104553467).

2118263013 is a wasteful number, since it uses less digits than its factorization.

2118263013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2118263013 is about 46024.5913941667. The cubic root of 2118263013 is about 1284.2807146018.

The spelling of 2118263013 in words is "two billion, one hundred eighteen million, two hundred sixty-three thousand, thirteen".