7056222537809 has 2 divisors, whose sum is σ = 7056222537810. Its totient is φ = 7056222537808.

The previous prime is 7056222537761. The next prime is 7056222537821. The reversal of 7056222537809 is 9087352226507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7029153075025 + 27069462784 = 2651255^2 + 164528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7056222537809 is a prime.

It is a super-3 number, since 3×7056222537809³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7056222537839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3528111268904 + 3528111268905.

It is an arithmetic number, because the mean of its divisors is an integer number (3528111268905).

Almost surely, 2^{7056222537809} is an apocalyptic number.

It is an amenable number.

7056222537809 is a deficient number, since it is larger than the sum of its proper divisors (1).

7056222537809 is an equidigital number, since it uses as much as digits as its factorization.

7056222537809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 7056222537809 in words is "seven trillion, fifty-six billion, two hundred twenty-two million, five hundred thirty-seven thousand, eight hundred nine".