427432899659 has 2 divisors, whose sum is σ = 427432899660. Its totient is φ = 427432899658.

The previous prime is 427432899653. The next prime is 427432899661. The reversal of 427432899659 is 956998234724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427432899659 - 2³² = 423137932363 is a prime.

Together with 427432899661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427432899653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213716449829 + 213716449830.

It is an arithmetic number, because the mean of its divisors is an integer number (213716449830).

Almost surely, 2^427432899659 is an apocalyptic number.

427432899659 is a deficient number, since it is larger than the sum of its proper divisors (1).

427432899659 is an equidigital number, since it uses as much as digits as its factorization.

427432899659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 68.

The spelling of 427432899659 in words is "four hundred twenty-seven billion, four hundred thirty-two million, eight hundred ninety-nine thousand, six hundred fifty-nine".