2663983933 has 4 divisors (see below), whose sum is σ = 2868905788. Its totient is φ = 2459062080.

The previous prime is 2663983921. The next prime is 2663983943. The reversal of 2663983933 is 3393893662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 668843044 + 1995140889 = 25862^2 + 44667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2663983933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663983943) 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, 102460908 + ... + 102460933.

It is an arithmetic number, because the mean of its divisors is an integer number (717226447).

Almost surely, 2^2663983933 is an apocalyptic number.

It is an amenable number.

2663983933 is a deficient number, since it is larger than the sum of its proper divisors (204921855).

2663983933 is a wasteful number, since it uses less digits than its factorization.

2663983933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204921854.

The product of its digits is 3779136, while the sum is 52.

The square root of 2663983933 is about 51613.7959561201. The cubic root of 2663983933 is about 1386.2573667630.

The spelling of 2663983933 in words is "two billion, six hundred sixty-three million, nine hundred eighty-three thousand, nine hundred thirty-three".