672722643253 has 2 divisors, whose sum is σ = 672722643254. Its totient is φ = 672722643252.

The previous prime is 672722643239. The next prime is 672722643277. The reversal of 672722643253 is 352346227276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338907936964 + 333814706289 = 582158^2 + 577767^2 .

It is a cyclic number.

It is not a de Polignac number, because 672722643253 - 2¹⁷ = 672722512181 is a prime.

It is a super-3 number, since 3×672722643253³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672722643197 and 672722643206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672722613253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336361321626 + 336361321627.

It is an arithmetic number, because the mean of its divisors is an integer number (336361321627).

Almost surely, 2^672722643253 is an apocalyptic number.

It is an amenable number.

672722643253 is a deficient number, since it is larger than the sum of its proper divisors (1).

672722643253 is an equidigital number, since it uses as much as digits as its factorization.

672722643253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 49.

The spelling of 672722643253 in words is "six hundred seventy-two billion, seven hundred twenty-two million, six hundred forty-three thousand, two hundred fifty-three".