12427965859 has 2 divisors, whose sum is σ = 12427965860. Its totient is φ = 12427965858.

The previous prime is 12427965841. The next prime is 12427965959. The reversal of 12427965859 is 95856972421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12427965859 - 2¹⁷ = 12427834787 is a prime.

It is not a weakly prime, because it can be changed into another prime (12427965839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213982929 + 6213982930.

It is an arithmetic number, because the mean of its divisors is an integer number (6213982930).

Almost surely, 2^12427965859 is an apocalyptic number.

12427965859 is a deficient number, since it is larger than the sum of its proper divisors (1).

12427965859 is an equidigital number, since it uses as much as digits as its factorization.

12427965859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 58.

The spelling of 12427965859 in words is "twelve billion, four hundred twenty-seven million, nine hundred sixty-five thousand, eight hundred fifty-nine".