2663898044 has 12 divisors (see below), whose sum is σ = 4667229504. Its totient is φ = 1330403904.

The previous prime is 2663898023. The next prime is 2663898053. The reversal of 2663898044 is 4408983662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2663897983 and 2663898001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382397 + ... + 389300.

It is an arithmetic number, because the mean of its divisors is an integer number (388935792).

Almost surely, 2^2663898044 is an apocalyptic number.

It is an amenable number.

2663898044 is a deficient number, since it is larger than the sum of its proper divisors (2003331460).

2663898044 is a wasteful number, since it uses less digits than its factorization.

2663898044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772564 (or 772562 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 2663898044 is about 51612.9639141175. The cubic root of 2663898044 is about 1386.2424685827.

The spelling of 2663898044 in words is "two billion, six hundred sixty-three million, eight hundred ninety-eight thousand, forty-four".