2118692793 has 32 divisors (see below), whose sum is σ = 3436646400. Its totient is φ = 1134055296.

The previous prime is 2118692789. The next prime is 2118692879. The reversal of 2118692793 is 3972968112.

It is not a de Polignac number, because 2118692793 - 2² = 2118692789 is a prime.

It is a super-2 number, since 2×2118692793² = 8977718302220281698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2118692713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5680 + ... + 65342.

It is an arithmetic number, because the mean of its divisors is an integer number (107395200).

Almost surely, 2^2118692793 is an apocalyptic number.

It is an amenable number.

2118692793 is a deficient number, since it is larger than the sum of its proper divisors (1317953607).

2118692793 is a wasteful number, since it uses less digits than its factorization.

2118692793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59781.

The product of its digits is 326592, while the sum is 48.

The square root of 2118692793 is about 46029.2601830618. The cubic root of 2118692793 is about 1284.3675657682.

The spelling of 2118692793 in words is "two billion, one hundred eighteen million, six hundred ninety-two thousand, seven hundred ninety-three".