2118768734 has 8 divisors (see below), whose sum is σ = 3187755768. Its totient is φ = 1056183480.

The previous prime is 2118768719. The next prime is 2118768737. The reversal of 2118768734 is 4378678112.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118768737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599617 + ... + 1600940.

It is an arithmetic number, because the mean of its divisors is an integer number (398469471).

Almost surely, 2^2118768734 is an apocalyptic number.

2118768734 is a deficient number, since it is larger than the sum of its proper divisors (1068987034).

2118768734 is a wasteful number, since it uses less digits than its factorization.

2118768734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200890.

The product of its digits is 451584, while the sum is 47.

The square root of 2118768734 is about 46030.0850965974. The cubic root of 2118768734 is about 1284.3829109207.

The spelling of 2118768734 in words is "two billion, one hundred eighteen million, seven hundred sixty-eight thousand, seven hundred thirty-four".