46664115217 has 2 divisors, whose sum is σ = 46664115218. Its totient is φ = 46664115216.

The previous prime is 46664115193. The next prime is 46664115247. The reversal of 46664115217 is 71251146664.

46664115217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46659888081 + 4227136 = 216009^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 46664115217 - 2³⁵ = 12304376849 is a prime.

It is not a weakly prime, because it can be changed into another prime (46664115247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23332057608 + 23332057609.

It is an arithmetic number, because the mean of its divisors is an integer number (23332057609).

Almost surely, 2^46664115217 is an apocalyptic number.

It is an amenable number.

46664115217 is a deficient number, since it is larger than the sum of its proper divisors (1).

46664115217 is an equidigital number, since it uses as much as digits as its factorization.

46664115217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The spelling of 46664115217 in words is "forty-six billion, six hundred sixty-four million, one hundred fifteen thousand, two hundred seventeen".