427493039 has 2 divisors, whose sum is σ = 427493040. Its totient is φ = 427493038.

The previous prime is 427493023. The next prime is 427493041. The reversal of 427493039 is 930394724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427493039 - 2⁴ = 427493023 is a prime.

Together with 427493041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 427492987 and 427493005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427493009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213746519 + 213746520.

It is an arithmetic number, because the mean of its divisors is an integer number (213746520).

Almost surely, 2^427493039 is an apocalyptic number.

427493039 is a deficient number, since it is larger than the sum of its proper divisors (1).

427493039 is an equidigital number, since it uses as much as digits as its factorization.

427493039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 427493039 is about 20675.9047927775. The cubic root of 427493039 is about 753.3145384970.

The spelling of 427493039 in words is "four hundred twenty-seven million, four hundred ninety-three thousand, thirty-nine".