426666191363 has 2 divisors, whose sum is σ = 426666191364. Its totient is φ = 426666191362.

The previous prime is 426666191353. The next prime is 426666191377. The reversal of 426666191363 is 363191666624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426666191363 - 2¹² = 426666187267 is a prime.

It is not a weakly prime, because it can be changed into another prime (426666191353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213333095681 + 213333095682.

It is an arithmetic number, because the mean of its divisors is an integer number (213333095682).

Almost surely, 2^426666191363 is an apocalyptic number.

426666191363 is a deficient number, since it is larger than the sum of its proper divisors (1).

426666191363 is an equidigital number, since it uses as much as digits as its factorization.

426666191363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 53.

The spelling of 426666191363 in words is "four hundred twenty-six billion, six hundred sixty-six million, one hundred ninety-one thousand, three hundred sixty-three".