2118628633 has 8 divisors (see below), whose sum is σ = 2325072960. Its totient is φ = 1914491280.

The previous prime is 2118628613. The next prime is 2118628639. The reversal of 2118628633 is 3368268112.

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 2118628633 - 2²⁹ = 1581757721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118628639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574818 + ... + 578491.

It is an arithmetic number, because the mean of its divisors is an integer number (290634120).

Almost surely, 2^2118628633 is an apocalyptic number.

It is an amenable number.

2118628633 is a deficient number, since it is larger than the sum of its proper divisors (206444327).

2118628633 is a wasteful number, since it uses less digits than its factorization.

2118628633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153487.

The product of its digits is 82944, while the sum is 40.

The square root of 2118628633 is about 46028.5632298033. The cubic root of 2118628633 is about 1284.3546008785.

The spelling of 2118628633 in words is "two billion, one hundred eighteen million, six hundred twenty-eight thousand, six hundred thirty-three".