426242050667 has 2 divisors, whose sum is σ = 426242050668. Its totient is φ = 426242050666.

The previous prime is 426242050649. The next prime is 426242050687. The reversal of 426242050667 is 766050242624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426242050667 - 2¹⁰ = 426242049643 is a prime.

It is not a weakly prime, because it can be changed into another prime (426242050687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213121025333 + 213121025334.

It is an arithmetic number, because the mean of its divisors is an integer number (213121025334).

Almost surely, 2^426242050667 is an apocalyptic number.

426242050667 is a deficient number, since it is larger than the sum of its proper divisors (1).

426242050667 is an equidigital number, since it uses as much as digits as its factorization.

426242050667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 426242050667 in words is "four hundred twenty-six billion, two hundred forty-two million, fifty thousand, six hundred sixty-seven".