439422743 has 2 divisors, whose sum is σ = 439422744. Its totient is φ = 439422742.

The previous prime is 439422701. The next prime is 439422769. The reversal of 439422743 is 347224934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 439422743 - 2¹⁸ = 439160599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 439422697 and 439422706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439422043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219711371 + 219711372.

It is an arithmetic number, because the mean of its divisors is an integer number (219711372).

Almost surely, 2^439422743 is an apocalyptic number.

439422743 is a deficient number, since it is larger than the sum of its proper divisors (1).

439422743 is an equidigital number, since it uses as much as digits as its factorization.

439422743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 38.

The square root of 439422743 is about 20962.4126235508. The cubic root of 439422743 is about 760.2577282644.

The spelling of 439422743 in words is "four hundred thirty-nine million, four hundred twenty-two thousand, seven hundred forty-three".