426555193 has 2 divisors, whose sum is σ = 426555194. Its totient is φ = 426555192.

The previous prime is 426555167. The next prime is 426555223. The reversal of 426555193 is 391555624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339001744 + 87553449 = 18412^2 + 9357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426555193 is a prime.

It is not a weakly prime, because it can be changed into another prime (426555163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213277596 + 213277597.

It is an arithmetic number, because the mean of its divisors is an integer number (213277597).

Almost surely, 2^426555193 is an apocalyptic number.

It is an amenable number.

426555193 is a deficient number, since it is larger than the sum of its proper divisors (1).

426555193 is an equidigital number, since it uses as much as digits as its factorization.

426555193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The square root of 426555193 is about 20653.2126556621. The cubic root of 426555193 is about 752.7632544338.

The spelling of 426555193 in words is "four hundred twenty-six million, five hundred fifty-five thousand, one hundred ninety-three".