73666395211 has 2 divisors, whose sum is σ = 73666395212. Its totient is φ = 73666395210.

The previous prime is 73666395119. The next prime is 73666395223. The reversal of 73666395211 is 11259366637.

It is a strong prime.

It is an emirp because it is prime and its reverse (11259366637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73666395211 - 2¹⁵ = 73666362443 is a prime.

It is not a weakly prime, because it can be changed into another prime (73666395241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36833197605 + 36833197606.

It is an arithmetic number, because the mean of its divisors is an integer number (36833197606).

Almost surely, 2^73666395211 is an apocalyptic number.

73666395211 is a deficient number, since it is larger than the sum of its proper divisors (1).

73666395211 is an equidigital number, since it uses as much as digits as its factorization.

73666395211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 49.

The spelling of 73666395211 in words is "seventy-three billion, six hundred sixty-six million, three hundred ninety-five thousand, two hundred eleven".