2118745912 has 16 divisors (see below), whose sum is σ = 3984102360. Its totient is φ = 1056318624.

The previous prime is 2118745907. The next prime is 2118745919. The reversal of 2118745912 is 2195478112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118745919) 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 3 ways as a sum of consecutive naturals, for example, 378843 + ... + 384394.

Almost surely, 2^2118745912 is an apocalyptic number.

It is an amenable number.

2118745912 is a deficient number, since it is larger than the sum of its proper divisors (1865356448).

2118745912 is a wasteful number, since it uses less digits than its factorization.

2118745912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763590 (or 763586 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The square root of 2118745912 is about 46029.8371928470. The cubic root of 2118745912 is about 1284.3782993914.

The spelling of 2118745912 in words is "two billion, one hundred eighteen million, seven hundred forty-five thousand, nine hundred twelve".