534343309943 has 2 divisors, whose sum is σ = 534343309944. Its totient is φ = 534343309942.

The previous prime is 534343309931. The next prime is 534343310027. The reversal of 534343309943 is 349903343435.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 534343309943 - 2²⁰ = 534342261367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 534343309891 and 534343309900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534343309043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267171654971 + 267171654972.

It is an arithmetic number, because the mean of its divisors is an integer number (267171654972).

Almost surely, 2^534343309943 is an apocalyptic number.

534343309943 is a deficient number, since it is larger than the sum of its proper divisors (1).

534343309943 is an equidigital number, since it uses as much as digits as its factorization.

534343309943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 50.

The spelling of 534343309943 in words is "five hundred thirty-four billion, three hundred forty-three million, three hundred nine thousand, nine hundred forty-three".