4566610646399 has 2 divisors, whose sum is σ = 4566610646400. Its totient is φ = 4566610646398.

The previous prime is 4566610646341. The next prime is 4566610646401. The reversal of 4566610646399 is 9936460166654.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4566610646399 - 2¹² = 4566610642303 is a prime.

It is a super-2 number, since 2×4566610646399² (a number of 26 digits) contains 22 as substring.

Together with 4566610646401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4566610676399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2283305323199 + 2283305323200.

It is an arithmetic number, because the mean of its divisors is an integer number (2283305323200).

Almost surely, 2^{4566610646399} is an apocalyptic number.

4566610646399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4566610646399 is an equidigital number, since it uses as much as digits as its factorization.

4566610646399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151165440, while the sum is 65.

The spelling of 4566610646399 in words is "four trillion, five hundred sixty-six billion, six hundred ten million, six hundred forty-six thousand, three hundred ninety-nine".