4673437661 has 2 divisors, whose sum is σ = 4673437662. Its totient is φ = 4673437660.

The previous prime is 4673437633. The next prime is 4673437663. The reversal of 4673437661 is 1667343764.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4590062500 + 83375161 = 67750^2 + 9131^2 .

It is a cyclic number.

It is not a de Polignac number, because 4673437661 - 2³⁰ = 3599695837 is a prime.

Together with 4673437663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4673437663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336718830 + 2336718831.

It is an arithmetic number, because the mean of its divisors is an integer number (2336718831).

Almost surely, 2^4673437661 is an apocalyptic number.

It is an amenable number.

4673437661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4673437661 is an equidigital number, since it uses as much as digits as its factorization.

4673437661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 47.

The square root of 4673437661 is about 68362.5457469220. The cubic root of 4673437661 is about 1671.9071356520.

The spelling of 4673437661 in words is "four billion, six hundred seventy-three million, four hundred thirty-seven thousand, six hundred sixty-one".