46506250181 has 2 divisors, whose sum is σ = 46506250182. Its totient is φ = 46506250180.

The previous prime is 46506250159. The next prime is 46506250187. The reversal of 46506250181 is 18105260564.

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., 39622893025 + 6883357156 = 199055^2 + 82966^2 .

It is a cyclic number.

It is not a de Polignac number, because 46506250181 - 2¹⁴ = 46506233797 is a prime.

It is a super-2 number, since 2×46506250181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46506250187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23253125090 + 23253125091.

It is an arithmetic number, because the mean of its divisors is an integer number (23253125091).

Almost surely, 2^46506250181 is an apocalyptic number.

It is an amenable number.

46506250181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46506250181 is an equidigital number, since it uses as much as digits as its factorization.

46506250181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 46506250181 in words is "forty-six billion, five hundred six million, two hundred fifty thousand, one hundred eighty-one".