439426306343 has 2 divisors, whose sum is σ = 439426306344. Its totient is φ = 439426306342.

The previous prime is 439426306321. The next prime is 439426306351. The reversal of 439426306343 is 343603624934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 439426306343 - 2²⁶ = 439359197479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439426306373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219713153171 + 219713153172.

It is an arithmetic number, because the mean of its divisors is an integer number (219713153172).

Almost surely, 2^439426306343 is an apocalyptic number.

439426306343 is a deficient number, since it is larger than the sum of its proper divisors (1).

439426306343 is an equidigital number, since it uses as much as digits as its factorization.

439426306343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 47.

The spelling of 439426306343 in words is "four hundred thirty-nine billion, four hundred twenty-six million, three hundred six thousand, three hundred forty-three".