1044100009 has 2 divisors, whose sum is σ = 1044100010. Its totient is φ = 1044100008.

The previous prime is 1044099967. The next prime is 1044100087. The reversal of 1044100009 is 9000014401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982634409 + 61465600 = 31347^2 + 7840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044100009 - 2¹³ = 1044091817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044100609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522050004 + 522050005.

It is an arithmetic number, because the mean of its divisors is an integer number (522050005).

Almost surely, 2^1044100009 is an apocalyptic number.

It is an amenable number.

1044100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044100009 is an equidigital number, since it uses as much as digits as its factorization.

1044100009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1044100009 is about 32312.5364061690. The cubic root of 1044100009 is about 1014.4890563373.

The spelling of 1044100009 in words is "one billion, forty-four million, one hundred thousand, nine".