12633641033 has 8 divisors (see below), whose sum is σ = 13607176968. Its totient is φ = 11660350464.

The previous prime is 12633640991. The next prime is 12633641051. The reversal of 12633641033 is 33014633621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5937164809 + 6696476224 = 77053^2 + 81832^2 .

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 12633641033 - 2⁸ = 12633640777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12633631033) 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, 53591 + ... + 167747.

It is an arithmetic number, because the mean of its divisors is an integer number (1700897121).

Almost surely, 2^12633641033 is an apocalyptic number.

12633641033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12633641033 is a deficient number, since it is larger than the sum of its proper divisors (973535935).

12633641033 is a wasteful number, since it uses less digits than its factorization.

12633641033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122683.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 12633641033 in words is "twelve billion, six hundred thirty-three million, six hundred forty-one thousand, thirty-three".