7445065447 has 2 divisors, whose sum is σ = 7445065448. Its totient is φ = 7445065446.

The previous prime is 7445065427. The next prime is 7445065471. The reversal of 7445065447 is 7445605447.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7445065447 is a prime.

It is a super-2 number, since 2×7445065447² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7445065397 and 7445065406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7445065417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722532723 + 3722532724.

It is an arithmetic number, because the mean of its divisors is an integer number (3722532724).

Almost surely, 2^7445065447 is an apocalyptic number.

7445065447 is a deficient number, since it is larger than the sum of its proper divisors (1).

7445065447 is an equidigital number, since it uses as much as digits as its factorization.

7445065447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1881600, while the sum is 46.

The square root of 7445065447 is about 86284.7926751870. The cubic root of 7445065447 is about 1952.6429598862.

The spelling of 7445065447 in words is "seven billion, four hundred forty-five million, sixty-five thousand, four hundred forty-seven".