2663612444 has 6 divisors (see below), whose sum is σ = 4661321784. Its totient is φ = 1331806220.

The previous prime is 2663612431. The next prime is 2663612447. The reversal of 2663612444 is 4442163662.

It is a junction number, because it is equal to n+sod(n) for n = 2663612398 and 2663612407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663612447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332951552 + ... + 332951559.

It is an arithmetic number, because the mean of its divisors is an integer number (776886964).

Almost surely, 2^2663612444 is an apocalyptic number.

It is an amenable number.

2663612444 is a deficient number, since it is larger than the sum of its proper divisors (1997709340).

2663612444 is a wasteful number, since it uses less digits than its factorization.

2663612444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665903115 (or 665903113 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 2663612444 is about 51610.1970932102. The cubic root of 2663612444 is about 1386.1929265217.

The spelling of 2663612444 in words is "two billion, six hundred sixty-three million, six hundred twelve thousand, four hundred forty-four".