1043202015409 has 2 divisors, whose sum is σ = 1043202015410. Its totient is φ = 1043202015408.

The previous prime is 1043202015403. The next prime is 1043202015413. The reversal of 1043202015409 is 9045102023401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692556840000 + 350645175409 = 832200^2 + 592153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043202015409 - 2⁵ = 1043202015377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043202015403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521601007704 + 521601007705.

It is an arithmetic number, because the mean of its divisors is an integer number (521601007705).

Almost surely, 2^{1043202015409} is an apocalyptic number.

It is an amenable number.

1043202015409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043202015409 is an equidigital number, since it uses as much as digits as its factorization.

1043202015409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 1043202015409 in words is "one trillion, forty-three billion, two hundred two million, fifteen thousand, four hundred nine".