426242050649 has 2 divisors, whose sum is σ = 426242050650. Its totient is φ = 426242050648.

The previous prime is 426242050631. The next prime is 426242050667. The reversal of 426242050649 is 946050242624.

It is a balanced prime because it is at equal distance from previous prime (426242050631) and next prime (426242050667).

It can be written as a sum of positive squares in only one way, i.e., 374460772624 + 51781278025 = 611932^2 + 227555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426242050649 is a prime.

It is not a weakly prime, because it can be changed into another prime (426242050699) 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, 213121025324 + 213121025325.

It is an arithmetic number, because the mean of its divisors is an integer number (213121025325).

Almost surely, 2^426242050649 is an apocalyptic number.

It is an amenable number.

426242050649 is a deficient number, since it is larger than the sum of its proper divisors (1).

426242050649 is an equidigital number, since it uses as much as digits as its factorization.

426242050649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 426242050649 in words is "four hundred twenty-six billion, two hundred forty-two million, fifty thousand, six hundred forty-nine".