6673633409 has 2 divisors, whose sum is σ = 6673633410. Its totient is φ = 6673633408.

The previous prime is 6673633403. The next prime is 6673633451. The reversal of 6673633409 is 9043363766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6567481600 + 106151809 = 81040^2 + 10303^2 .

It is a cyclic number.

It is not a de Polignac number, because 6673633409 - 2³² = 2378666113 is a prime.

It is a super-2 number, since 2×6673633409² = 89074765755441922562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6673633403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336816704 + 3336816705.

It is an arithmetic number, because the mean of its divisors is an integer number (3336816705).

Almost surely, 2^6673633409 is an apocalyptic number.

It is an amenable number.

6673633409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6673633409 is an equidigital number, since it uses as much as digits as its factorization.

6673633409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 47.

The square root of 6673633409 is about 81692.3093626322. The cubic root of 6673633409 is about 1882.7274250802.

The spelling of 6673633409 in words is "six billion, six hundred seventy-three million, six hundred thirty-three thousand, four hundred nine".