50426194187 has 2 divisors, whose sum is σ = 50426194188. Its totient is φ = 50426194186.

The previous prime is 50426194171. The next prime is 50426194229. The reversal of 50426194187 is 78149162405.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50426194187 - 2⁴ = 50426194171 is a prime.

It is not a weakly prime, because it can be changed into another prime (50426194487) 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, 25213097093 + 25213097094.

It is an arithmetic number, because the mean of its divisors is an integer number (25213097094).

Almost surely, 2^50426194187 is an apocalyptic number.

50426194187 is a deficient number, since it is larger than the sum of its proper divisors (1).

50426194187 is an equidigital number, since it uses as much as digits as its factorization.

50426194187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 50426194187 in words is "fifty billion, four hundred twenty-six million, one hundred ninety-four thousand, one hundred eighty-seven".