466641787649 has 2 divisors, whose sum is σ = 466641787650. Its totient is φ = 466641787648.

The previous prime is 466641787627. The next prime is 466641787669. The reversal of 466641787649 is 946787146664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385839745600 + 80802042049 = 621160^2 + 284257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-466641787649 is a prime.

It is not a weakly prime, because it can be changed into another prime (466641787669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233320893824 + 233320893825.

It is an arithmetic number, because the mean of its divisors is an integer number (233320893825).

Almost surely, 2^466641787649 is an apocalyptic number.

It is an amenable number.

466641787649 is a deficient number, since it is larger than the sum of its proper divisors (1).

466641787649 is an equidigital number, since it uses as much as digits as its factorization.

466641787649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 292626432, while the sum is 68.

The spelling of 466641787649 in words is "four hundred sixty-six billion, six hundred forty-one million, seven hundred eighty-seven thousand, six hundred forty-nine".