4431422787959 has 2 divisors, whose sum is σ = 4431422787960. Its totient is φ = 4431422787958.

The previous prime is 4431422787937. The next prime is 4431422787989. The reversal of 4431422787959 is 9597872241344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4431422787959 - 2²⁰ = 4431421739383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4431422787895 and 4431422787904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4431422787919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215711393979 + 2215711393980.

It is an arithmetic number, because the mean of its divisors is an integer number (2215711393980).

Almost surely, 2^{4431422787959} is an apocalyptic number.

4431422787959 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431422787959 is an equidigital number, since it uses as much as digits as its factorization.

4431422787959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 65.

The spelling of 4431422787959 in words is "four trillion, four hundred thirty-one billion, four hundred twenty-two million, seven hundred eighty-seven thousand, nine hundred fifty-nine".