46194187129 has 2 divisors, whose sum is σ = 46194187130. Its totient is φ = 46194187128.

The previous prime is 46194187099. The next prime is 46194187157. The reversal of 46194187129 is 92178149164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26356873104 + 19837314025 = 162348^2 + 140845^2 .

It is a cyclic number.

It is not a de Polignac number, because 46194187129 - 2⁹ = 46194186617 is a prime.

It is not a weakly prime, because it can be changed into another prime (46194287129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23097093564 + 23097093565.

It is an arithmetic number, because the mean of its divisors is an integer number (23097093565).

Almost surely, 2^46194187129 is an apocalyptic number.

It is an amenable number.

46194187129 is a deficient number, since it is larger than the sum of its proper divisors (1).

46194187129 is an equidigital number, since it uses as much as digits as its factorization.

46194187129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The spelling of 46194187129 in words is "forty-six billion, one hundred ninety-four million, one hundred eighty-seven thousand, one hundred twenty-nine".