46666813 has 2 divisors, whose sum is σ = 46666814. Its totient is φ = 46666812.

The previous prime is 46666787. The next prime is 46666849. The reversal of 46666813 is 31866664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 7064964 = 6293^2 + 2658^2 .

It is a cyclic number.

It is not a de Polignac number, because 46666813 - 2¹³ = 46658621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46666013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23333406 + 23333407.

It is an arithmetic number, because the mean of its divisors is an integer number (23333407).

Almost surely, 2^46666813 is an apocalyptic number.

It is an amenable number.

46666813 is a deficient number, since it is larger than the sum of its proper divisors (1).

46666813 is an equidigital number, since it uses as much as digits as its factorization.

46666813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 46666813 is about 6831.3112211346. The cubic root of 46666813 is about 360.0278090658.

The spelling of 46666813 in words is "forty-six million, six hundred sixty-six thousand, eight hundred thirteen".