46181791 has 2 divisors, whose sum is σ = 46181792. Its totient is φ = 46181790.

The previous prime is 46181789. The next prime is 46181851. The reversal of 46181791 is 19718164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46181791 - 2¹ = 46181789 is a prime.

Together with 46181789, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 46181791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46181701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23090895 + 23090896.

It is an arithmetic number, because the mean of its divisors is an integer number (23090896).

Almost surely, 2^46181791 is an apocalyptic number.

46181791 is a deficient number, since it is larger than the sum of its proper divisors (1).

46181791 is an equidigital number, since it uses as much as digits as its factorization.

46181791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 46181791 is about 6795.7185786346. The cubic root of 46181791 is about 358.7761709228.

The spelling of 46181791 in words is "forty-six million, one hundred eighty-one thousand, seven hundred ninety-one".