673852320377 has 2 divisors, whose sum is σ = 673852320378. Its totient is φ = 673852320376.

The previous prime is 673852320329. The next prime is 673852320397. The reversal of 673852320377 is 773023258376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553006398736 + 120845921641 = 743644^2 + 347629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673852320377 is a prime.

It is not a weakly prime, because it can be changed into another prime (673852320397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336926160188 + 336926160189.

It is an arithmetic number, because the mean of its divisors is an integer number (336926160189).

Almost surely, 2^673852320377 is an apocalyptic number.

It is an amenable number.

673852320377 is a deficient number, since it is larger than the sum of its proper divisors (1).

673852320377 is an equidigital number, since it uses as much as digits as its factorization.

673852320377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 53.

The spelling of 673852320377 in words is "six hundred seventy-three billion, eight hundred fifty-two million, three hundred twenty thousand, three hundred seventy-seven".