7445665433 has 2 divisors, whose sum is σ = 7445665434. Its totient is φ = 7445665432.

The previous prime is 7445665397. The next prime is 7445665453. The reversal of 7445665433 is 3345665447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6822264409 + 623401024 = 82597^2 + 24968^2 .

It is a cyclic number.

It is not a de Polignac number, because 7445665433 - 2¹⁴ = 7445649049 is a prime.

It is not a weakly prime, because it can be changed into another prime (7445665453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722832716 + 3722832717.

It is an arithmetic number, because the mean of its divisors is an integer number (3722832717).

Almost surely, 2^7445665433 is an apocalyptic number.

It is an amenable number.

7445665433 is a deficient number, since it is larger than the sum of its proper divisors (1).

7445665433 is an equidigital number, since it uses as much as digits as its factorization.

7445665433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 47.

The square root of 7445665433 is about 86288.2693823442. The cubic root of 7445665433 is about 1952.6954119422.

The spelling of 7445665433 in words is "seven billion, four hundred forty-five million, six hundred sixty-five thousand, four hundred thirty-three".