439842253259 has 2 divisors, whose sum is σ = 439842253260. Its totient is φ = 439842253258.

The previous prime is 439842253241. The next prime is 439842253303. The reversal of 439842253259 is 952352248934.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439842253259 - 2¹⁶ = 439842187723 is a prime.

It is a super-2 number, since 2×439842253259² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (439842253229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219921126629 + 219921126630.

It is an arithmetic number, because the mean of its divisors is an integer number (219921126630).

Almost surely, 2^439842253259 is an apocalyptic number.

439842253259 is a deficient number, since it is larger than the sum of its proper divisors (1).

439842253259 is an equidigital number, since it uses as much as digits as its factorization.

439842253259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 56.

The spelling of 439842253259 in words is "four hundred thirty-nine billion, eight hundred forty-two million, two hundred fifty-three thousand, two hundred fifty-nine".