427090429 has 2 divisors, whose sum is σ = 427090430. Its totient is φ = 427090428.

The previous prime is 427090409. The next prime is 427090451. The reversal of 427090429 is 924090724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393427225 + 33663204 = 19835^2 + 5802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427090429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427090409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213545214 + 213545215.

It is an arithmetic number, because the mean of its divisors is an integer number (213545215).

Almost surely, 2^427090429 is an apocalyptic number.

It is an amenable number.

427090429 is a deficient number, since it is larger than the sum of its proper divisors (1).

427090429 is an equidigital number, since it uses as much as digits as its factorization.

427090429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 427090429 is about 20666.1662869532. The cubic root of 427090429 is about 753.0779754022.

The spelling of 427090429 in words is "four hundred twenty-seven million, ninety thousand, four hundred twenty-nine".