1046426191 has 2 divisors, whose sum is σ = 1046426192. Its totient is φ = 1046426190.

The previous prime is 1046426141. The next prime is 1046426207. The reversal of 1046426191 is 1916246401.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1916246401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1046426191 - 2²⁵ = 1012871759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046426141) 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, 523213095 + 523213096.

It is an arithmetic number, because the mean of its divisors is an integer number (523213096).

Almost surely, 2^1046426191 is an apocalyptic number.

1046426191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046426191 is an equidigital number, since it uses as much as digits as its factorization.

1046426191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1046426191 is about 32348.5114186109. The cubic root of 1046426191 is about 1015.2419011394.

The spelling of 1046426191 in words is "one billion, forty-six million, four hundred twenty-six thousand, one hundred ninety-one".