2155630633 has 8 divisors (see below), whose sum is σ = 2422381248. Its totient is φ = 1903299024.

The previous prime is 2155630613. The next prime is 2155630717. The reversal of 2155630633 is 3360365512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2155630633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2155630613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604435 + ... + 3605032.

It is an arithmetic number, because the mean of its divisors is an integer number (302797656).

Almost surely, 2^2155630633 is an apocalyptic number.

2155630633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2155630633 is a deficient number, since it is larger than the sum of its proper divisors (266750615).

2155630633 is a wasteful number, since it uses less digits than its factorization.

2155630633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209503.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 2155630633 is about 46428.7694538634. The cubic root of 2155630633 is about 1291.7886037993.

The spelling of 2155630633 in words is "two billion, one hundred fifty-five million, six hundred thirty thousand, six hundred thirty-three".