46218691 has 2 divisors, whose sum is σ = 46218692. Its totient is φ = 46218690.

The previous prime is 46218673. The next prime is 46218743. The reversal of 46218691 is 19681264.

It is a happy number.

46218691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46218691 - 2¹⁷ = 46087619 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46218691.

It is not a weakly prime, because it can be changed into another prime (46218091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23109345 + 23109346.

It is an arithmetic number, because the mean of its divisors is an integer number (23109346).

Almost surely, 2^46218691 is an apocalyptic number.

46218691 is a deficient number, since it is larger than the sum of its proper divisors (1).

46218691 is an equidigital number, since it uses as much as digits as its factorization.

46218691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 46218691 is about 6798.4329812097. The cubic root of 46218691 is about 358.8717014769.

The spelling of 46218691 in words is "forty-six million, two hundred eighteen thousand, six hundred ninety-one".