1044013663 has 32 divisors (see below), whose sum is σ = 1338923520. Its totient is φ = 790508160.

The previous prime is 1044013657. The next prime is 1044013697. The reversal of 1044013663 is 3663104401.

It is a cyclic number.

It is not a de Polignac number, because 1044013663 - 2⁹ = 1044013151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044013603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443656 + ... + 446002.

It is an arithmetic number, because the mean of its divisors is an integer number (41841360).

Almost surely, 2^1044013663 is an apocalyptic number.

1044013663 is a deficient number, since it is larger than the sum of its proper divisors (294909857).

1044013663 is a wasteful number, since it uses less digits than its factorization.

1044013663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1044013663 is about 32311.2002717324. The cubic root of 1044013663 is about 1014.4610898315.

The spelling of 1044013663 in words is "one billion, forty-four million, thirteen thousand, six hundred sixty-three".