434431240427 has 2 divisors, whose sum is σ = 434431240428. Its totient is φ = 434431240426.

The previous prime is 434431240387. The next prime is 434431240493. The reversal of 434431240427 is 724042134434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434431240427 - 2²⁶ = 434364131563 is a prime.

It is not a weakly prime, because it can be changed into another prime (434431240927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217215620213 + 217215620214.

It is an arithmetic number, because the mean of its divisors is an integer number (217215620214).

Almost surely, 2^434431240427 is an apocalyptic number.

434431240427 is a deficient number, since it is larger than the sum of its proper divisors (1).

434431240427 is an equidigital number, since it uses as much as digits as its factorization.

434431240427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 38.

The spelling of 434431240427 in words is "four hundred thirty-four billion, four hundred thirty-one million, two hundred forty thousand, four hundred twenty-seven".