427043039 has 2 divisors, whose sum is σ = 427043040. Its totient is φ = 427043038.

The previous prime is 427043027. The next prime is 427043053. The reversal of 427043039 is 930340724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427043039 - 2¹⁶ = 426977503 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 427042996 and 427043014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427043839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213521519 + 213521520.

It is an arithmetic number, because the mean of its divisors is an integer number (213521520).

Almost surely, 2^427043039 is an apocalyptic number.

427043039 is a deficient number, since it is larger than the sum of its proper divisors (1).

427043039 is an equidigital number, since it uses as much as digits as its factorization.

427043039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 427043039 is about 20665.0196951273. The cubic root of 427043039 is about 753.0501205008.

The spelling of 427043039 in words is "four hundred twenty-seven million, forty-three thousand, thirty-nine".