426194134543 has 8 divisors (see below), whose sum is σ = 451143752400. Its totient is φ = 401928067968.

The previous prime is 426194134507. The next prime is 426194134609. The reversal of 426194134543 is 345431491624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426194134543 - 2²⁹ = 425657263631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426194134493 and 426194134502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426194134343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170886538 + ... + 170889031.

It is an arithmetic number, because the mean of its divisors is an integer number (56392969050).

Almost surely, 2^426194134543 is an apocalyptic number.

426194134543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

426194134543 is a deficient number, since it is larger than the sum of its proper divisors (24949617857).

426194134543 is a wasteful number, since it uses less digits than its factorization.

426194134543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341775641.

The product of its digits is 1244160, while the sum is 46.

The spelling of 426194134543 in words is "four hundred twenty-six billion, one hundred ninety-four million, one hundred thirty-four thousand, five hundred forty-three".