2663612445 has 128 divisors (see below), whose sum is σ = 5094835200. Its totient is φ = 1175666688.

The previous prime is 2663612431. The next prime is 2663612447. The reversal of 2663612445 is 5442163662.

It is not a de Polignac number, because 2663612445 - 2⁷ = 2663612317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

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 polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9901771 + ... + 9902039.

It is an arithmetic number, because the mean of its divisors is an integer number (39803400).

Almost surely, 2^2663612445 is an apocalyptic number.

It is an amenable number.

2663612445 is a deficient number, since it is larger than the sum of its proper divisors (2431222755).

2663612445 is a wasteful number, since it uses less digits than its factorization.

2663612445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its digits is 207360, while the sum is 39.

The square root of 2663612445 is about 51610.1971028982. The cubic root of 2663612445 is about 1386.1929266952.

The spelling of 2663612445 in words is "two billion, six hundred sixty-three million, six hundred twelve thousand, four hundred forty-five".