426210642547 has 2 divisors, whose sum is σ = 426210642548. Its totient is φ = 426210642546.

The previous prime is 426210642541. The next prime is 426210642563. The reversal of 426210642547 is 745246012624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426210642547 - 2³¹ = 424063158899 is a prime.

It is not a weakly prime, because it can be changed into another prime (426210642541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213105321273 + 213105321274.

It is an arithmetic number, because the mean of its divisors is an integer number (213105321274).

Almost surely, 2^426210642547 is an apocalyptic number.

426210642547 is a deficient number, since it is larger than the sum of its proper divisors (1).

426210642547 is an equidigital number, since it uses as much as digits as its factorization.

426210642547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 426210642547 in words is "four hundred twenty-six billion, two hundred ten million, six hundred forty-two thousand, five hundred forty-seven".