426833840273 has 2 divisors, whose sum is σ = 426833840274. Its totient is φ = 426833840272.

The previous prime is 426833840263. The next prime is 426833840299. The reversal of 426833840273 is 372048338624.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390896297089 + 35937543184 = 625217^2 + 189572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426833840273 is a prime.

It is not a weakly prime, because it can be changed into another prime (426833840263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213416920136 + 213416920137.

It is an arithmetic number, because the mean of its divisors is an integer number (213416920137).

Almost surely, 2^426833840273 is an apocalyptic number.

It is an amenable number.

426833840273 is a deficient number, since it is larger than the sum of its proper divisors (1).

426833840273 is an equidigital number, since it uses as much as digits as its factorization.

426833840273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 426833840273 in words is "four hundred twenty-six billion, eight hundred thirty-three million, eight hundred forty thousand, two hundred seventy-three".