1045407793609 has 2 divisors, whose sum is σ = 1045407793610. Its totient is φ = 1045407793608.

The previous prime is 1045407793589. The next prime is 1045407793613. The reversal of 1045407793609 is 9063977045401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041420250000 + 3987543609 = 1020500^2 + 63147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045407793609 - 2⁹ = 1045407793097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045407793609.

It is not a weakly prime, because it can be changed into another prime (1045407793669) 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, 522703896804 + 522703896805.

It is an arithmetic number, because the mean of its divisors is an integer number (522703896805).

Almost surely, 2^{1045407793609} is an apocalyptic number.

It is an amenable number.

1045407793609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045407793609 is an equidigital number, since it uses as much as digits as its factorization.

1045407793609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 1045407793609 in words is "one trillion, forty-five billion, four hundred seven million, seven hundred ninety-three thousand, six hundred nine".