1044063653 has 6 divisors (see below), whose sum is σ = 1109092146. Its totient is φ = 982647872.

The previous prime is 1044063641. The next prime is 1044063677. The reversal of 1044063653 is 3563604401.

It can be written as a sum of positive squares in 3 ways, for example, as 117896164 + 926167489 = 10858^2 + 30433^2 .

It is not a de Polignac number, because 1044063653 - 2²⁴ = 1027286437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044093653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1806050 + ... + 1806627.

It is an arithmetic number, because the mean of its divisors is an integer number (184848691).

Almost surely, 2^1044063653 is an apocalyptic number.

It is an amenable number.

1044063653 is a deficient number, since it is larger than the sum of its proper divisors (65028493).

1044063653 is an equidigital number, since it uses as much as digits as its factorization.

1044063653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612711 (or 3612694 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1044063653 is about 32311.9738332402. The cubic root of 1044063653 is about 1014.4772812225.

The spelling of 1044063653 in words is "one billion, forty-four million, sixty-three thousand, six hundred fifty-three".