4266643372973 has 2 divisors, whose sum is σ = 4266643372974. Its totient is φ = 4266643372972.

The previous prime is 4266643372967. The next prime is 4266643372987. The reversal of 4266643372973 is 3792733466624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3883157948329 + 383485424644 = 1970573^2 + 619262^2 .

It is a cyclic number.

It is not a de Polignac number, because 4266643372973 - 2¹⁴ = 4266643356589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4266643372913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133321686486 + 2133321686487.

It is an arithmetic number, because the mean of its divisors is an integer number (2133321686487).

Almost surely, 2^{4266643372973} is an apocalyptic number.

It is an amenable number.

4266643372973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4266643372973 is an equidigital number, since it uses as much as digits as its factorization.

4266643372973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164602368, while the sum is 62.

The spelling of 4266643372973 in words is "four trillion, two hundred sixty-six billion, six hundred forty-three million, three hundred seventy-two thousand, nine hundred seventy-three".