46664520197 has 2 divisors, whose sum is σ = 46664520198. Its totient is φ = 46664520196.

The previous prime is 46664520187. The next prime is 46664520211. The reversal of 46664520197 is 79102546664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28986424516 + 17678095681 = 170254^2 + 132959^2 .

It is a cyclic number.

It is not a de Polignac number, because 46664520197 - 2³⁴ = 29484651013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46664520137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23332260098 + 23332260099.

It is an arithmetic number, because the mean of its divisors is an integer number (23332260099).

Almost surely, 2^46664520197 is an apocalyptic number.

It is an amenable number.

46664520197 is a deficient number, since it is larger than the sum of its proper divisors (1).

46664520197 is an equidigital number, since it uses as much as digits as its factorization.

46664520197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 46664520197 in words is "forty-six billion, six hundred sixty-four million, five hundred twenty thousand, one hundred ninety-seven".