673077216437 has 2 divisors, whose sum is σ = 673077216438. Its totient is φ = 673077216436.

The previous prime is 673077216397. The next prime is 673077216439. The reversal of 673077216437 is 734612770376.

673077216437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565362632836 + 107714583601 = 751906^2 + 328199^2 .

It is a cyclic number.

It is not a de Polignac number, because 673077216437 - 2¹⁰ = 673077215413 is a prime.

Together with 673077216439, 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 (673077216439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336538608218 + 336538608219.

It is an arithmetic number, because the mean of its divisors is an integer number (336538608219).

Almost surely, 2^673077216437 is an apocalyptic number.

It is an amenable number.

673077216437 is a deficient number, since it is larger than the sum of its proper divisors (1).

673077216437 is an equidigital number, since it uses as much as digits as its factorization.

673077216437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 673077216437 in words is "six hundred seventy-three billion, seventy-seven million, two hundred sixteen thousand, four hundred thirty-seven".