7243086040409 has 2 divisors, whose sum is σ = 7243086040410. Its totient is φ = 7243086040408.

The previous prime is 7243086040367. The next prime is 7243086040433. The reversal of 7243086040409 is 9040406803427.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7233759889225 + 9326151184 = 2689565^2 + 96572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7243086040409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7243086048409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621543020204 + 3621543020205.

It is an arithmetic number, because the mean of its divisors is an integer number (3621543020205).

Almost surely, 2^{7243086040409} is an apocalyptic number.

It is an amenable number.

7243086040409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243086040409 is an equidigital number, since it uses as much as digits as its factorization.

7243086040409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 7243086040409 in words is "seven trillion, two hundred forty-three billion, eighty-six million, forty thousand, four hundred nine".