46818881 has 2 divisors, whose sum is σ = 46818882. Its totient is φ = 46818880.

The previous prime is 46818859. The next prime is 46818883. The reversal of 46818881 is 18881864.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46799281 + 19600 = 6841^2 + 140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46818881 is a prime.

It is a super-2 number, since 2×46818881² = 4384015236184322, which contains 22 as substring.

Together with 46818883, 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 (46818883) 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, 23409440 + 23409441.

It is an arithmetic number, because the mean of its divisors is an integer number (23409441).

Almost surely, 2^46818881 is an apocalyptic number.

It is an amenable number.

46818881 is a deficient number, since it is larger than the sum of its proper divisors (1).

46818881 is an equidigital number, since it uses as much as digits as its factorization.

46818881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98304, while the sum is 44.

The square root of 46818881 is about 6842.4323891435. The cubic root of 46818881 is about 360.4184460439.

The spelling of 46818881 in words is "forty-six million, eight hundred eighteen thousand, eight hundred eighty-one".