7243265473 has 2 divisors, whose sum is σ = 7243265474. Its totient is φ = 7243265472.

The previous prime is 7243265437. The next prime is 7243265483. The reversal of 7243265473 is 3745623427.

Together with previous prime (7243265437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7235713969 + 7551504 = 85063^2 + 2748^2 .

It is a cyclic number.

It is not a de Polignac number, because 7243265473 - 2⁹ = 7243264961 is a prime.

It is not a weakly prime, because it can be changed into another prime (7243265423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621632736 + 3621632737.

It is an arithmetic number, because the mean of its divisors is an integer number (3621632737).

Almost surely, 2^7243265473 is an apocalyptic number.

It is an amenable number.

7243265473 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243265473 is an equidigital number, since it uses as much as digits as its factorization.

7243265473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 43.

The square root of 7243265473 is about 85107.3761374418. The cubic root of 7243265473 is about 1934.8388582655.

The spelling of 7243265473 in words is "seven billion, two hundred forty-three million, two hundred sixty-five thousand, four hundred seventy-three".