2118049693 has 8 divisors (see below), whose sum is σ = 2145376800. Its totient is φ = 2090765808.

The previous prime is 2118049663. The next prime is 2118049711. The reversal of 2118049693 is 3969408112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2118049693 - 2¹³ = 2118041501 is a prime.

It is a super-2 number, since 2×2118049693² = 8972269004034788498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118049603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94363 + ... + 114631.

It is an arithmetic number, because the mean of its divisors is an integer number (268172100).

Almost surely, 2^2118049693 is an apocalyptic number.

It is an amenable number.

2118049693 is a deficient number, since it is larger than the sum of its proper divisors (27327107).

2118049693 is a wasteful number, since it uses less digits than its factorization.

2118049693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21611.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2118049693 is about 46022.2738790686. The cubic root of 2118049693 is about 1284.2376019261.

The spelling of 2118049693 in words is "two billion, one hundred eighteen million, forty-nine thousand, six hundred ninety-three".