426445754213 has 2 divisors, whose sum is σ = 426445754214. Its totient is φ = 426445754212.

The previous prime is 426445754197. The next prime is 426445754249. The reversal of 426445754213 is 312457544624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214792390849 + 211653363364 = 463457^2 + 460058^2 .

It is a cyclic number.

It is not a de Polignac number, because 426445754213 - 2⁴ = 426445754197 is a prime.

It is a super-3 number, since 3×426445754213³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426445754263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213222877106 + 213222877107.

It is an arithmetic number, because the mean of its divisors is an integer number (213222877107).

Almost surely, 2^426445754213 is an apocalyptic number.

It is an amenable number.

426445754213 is a deficient number, since it is larger than the sum of its proper divisors (1).

426445754213 is an equidigital number, since it uses as much as digits as its factorization.

426445754213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 47.

The spelling of 426445754213 in words is "four hundred twenty-six billion, four hundred forty-five million, seven hundred fifty-four thousand, two hundred thirteen".