2663421044 has 6 divisors (see below), whose sum is σ = 4660986834. Its totient is φ = 1331710520.

The previous prime is 2663421001. The next prime is 2663421067. The reversal of 2663421044 is 4401243662.

It can be written as a sum of positive squares in only one way, i.e., 1786076644 + 877344400 = 42262^2 + 29620^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2663421044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332927627 + ... + 332927634.

It is an arithmetic number, because the mean of its divisors is an integer number (776831139).

Almost surely, 2^2663421044 is an apocalyptic number.

It is an amenable number.

2663421044 is a deficient number, since it is larger than the sum of its proper divisors (1997565790).

2663421044 is a wasteful number, since it uses less digits than its factorization.

2663421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665855265 (or 665855263 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2663421044 is about 51608.3427751754. The cubic root of 2663421044 is about 1386.1597230324.

The spelling of 2663421044 in words is "two billion, six hundred sixty-three million, four hundred twenty-one thousand, forty-four".