2663400173233 has 4 divisors (see below), whose sum is σ = 2671303438180. Its totient is φ = 2655496908288.

The previous prime is 2663400173209. The next prime is 2663400173237. The reversal of 2663400173233 is 3323710043662.

2663400173233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1444246325824 + 1219153847409 = 1201768^2 + 1104153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663400173233 - 2⁴¹ = 464376917681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2663400173237) 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, 3951631968 + ... + 3951632641.

It is an arithmetic number, because the mean of its divisors is an integer number (667825859545).

Almost surely, 2^{2663400173233} is an apocalyptic number.

It is an amenable number.

2663400173233 is a deficient number, since it is larger than the sum of its proper divisors (7903264947).

2663400173233 is an equidigital number, since it uses as much as digits as its factorization.

2663400173233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903264946.

The product of its (nonzero) digits is 326592, while the sum is 40.

The spelling of 2663400173233 in words is "two trillion, six hundred sixty-three billion, four hundred million, one hundred seventy-three thousand, two hundred thirty-three".