2118049692 has 48 divisors (see below), whose sum is σ = 5421247104. Its totient is φ = 638280000.

The previous prime is 2118049663. The next prime is 2118049711. The reversal of 2118049692 is 2969408112.

It is a super-2 number, since 2×2118049692² = 8972268995562589728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20434 + ... + 68217.

It is an arithmetic number, because the mean of its divisors is an integer number (112942648).

Almost surely, 2^2118049692 is an apocalyptic number.

2118049692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2118049692 is an abundant number, since it is smaller than the sum of its proper divisors (3303197412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118049692 is a wasteful number, since it uses less digits than its factorization.

2118049692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88850 (or 88848 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2118049692 is about 46022.2738682043. The cubic root of 2118049692 is about 1284.2376017240.

The spelling of 2118049692 in words is "two billion, one hundred eighteen million, forty-nine thousand, six hundred ninety-two".