46419181 has 2 divisors, whose sum is σ = 46419182. Its totient is φ = 46419180.

The previous prime is 46419179. The next prime is 46419193. The reversal of 46419181 is 18191464.

46419181 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 can be written as a sum of positive squares in only one way, i.e., 28526281 + 17892900 = 5341^2 + 4230^2 .

It is a cyclic number.

It is not a de Polignac number, because 46419181 - 2¹ = 46419179 is a prime.

It is a super-2 number, since 2×46419181² = 4309480729421522, which contains 22 as substring.

Together with 46419179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46419101) 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, 23209590 + 23209591.

It is an arithmetic number, because the mean of its divisors is an integer number (23209591).

Almost surely, 2^46419181 is an apocalyptic number.

It is an amenable number.

46419181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46419181 is an equidigital number, since it uses as much as digits as its factorization.

46419181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 46419181 is about 6813.1623347752. The cubic root of 46419181 is about 359.3898641464.

The spelling of 46419181 in words is "forty-six million, four hundred nineteen thousand, one hundred eighty-one".