1044684653 has 2 divisors, whose sum is σ = 1044684654. Its totient is φ = 1044684652.

The previous prime is 1044684649. The next prime is 1044684671. The reversal of 1044684653 is 3564864401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731323849 + 313360804 = 27043^2 + 17702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044684653 - 2² = 1044684649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044684653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044684673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522342326 + 522342327.

It is an arithmetic number, because the mean of its divisors is an integer number (522342327).

Almost surely, 2^1044684653 is an apocalyptic number.

It is an amenable number.

1044684653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044684653 is an equidigital number, since it uses as much as digits as its factorization.

1044684653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 1044684653 is about 32321.5818455719. The cubic root of 1044684653 is about 1014.6783754524.

The spelling of 1044684653 in words is "one billion, forty-four million, six hundred eighty-four thousand, six hundred fifty-three".