46866846809 has 2 divisors, whose sum is σ = 46866846810. Its totient is φ = 46866846808.

The previous prime is 46866846769. The next prime is 46866846811. The reversal of 46866846809 is 90864866864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43781377600 + 3085469209 = 209240^2 + 55547^2 .

It is a cyclic number.

It is not a de Polignac number, because 46866846809 - 2¹² = 46866842713 is a prime.

Together with 46866846811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46866846889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23433423404 + 23433423405.

It is an arithmetic number, because the mean of its divisors is an integer number (23433423405).

Almost surely, 2^46866846809 is an apocalyptic number.

It is an amenable number.

46866846809 is a deficient number, since it is larger than the sum of its proper divisors (1).

46866846809 is an equidigital number, since it uses as much as digits as its factorization.

46866846809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95551488, while the sum is 65.

The spelling of 46866846809 in words is "forty-six billion, eight hundred sixty-six million, eight hundred forty-six thousand, eight hundred nine".