3643773473 has 2 divisors, whose sum is σ = 3643773474. Its totient is φ = 3643773472.

The previous prime is 3643773461. The next prime is 3643773481. The reversal of 3643773473 is 3743773463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2699010304 + 944763169 = 51952^2 + 30737^2 .

It is a cyclic number.

It is not a de Polignac number, because 3643773473 - 2⁴ = 3643773457 is a prime.

It is not a weakly prime, because it can be changed into another prime (3643773433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821886736 + 1821886737.

It is an arithmetic number, because the mean of its divisors is an integer number (1821886737).

Almost surely, 2^3643773473 is an apocalyptic number.

It is an amenable number.

3643773473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3643773473 is an equidigital number, since it uses as much as digits as its factorization.

3643773473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 47.

The square root of 3643773473 is about 60363.6767684010. The cubic root of 3643773473 is about 1538.8057127531.

The spelling of 3643773473 in words is "three billion, six hundred forty-three million, seven hundred seventy-three thousand, four hundred seventy-three".