439479825133 has 2 divisors, whose sum is σ = 439479825134. Its totient is φ = 439479825132.

The previous prime is 439479825079. The next prime is 439479825137. The reversal of 439479825133 is 331528974934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271901759364 + 167578065769 = 521442^2 + 409363^2 .

It is a cyclic number.

It is not a de Polignac number, because 439479825133 - 2²⁹ = 438942954221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439479825137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219739912566 + 219739912567.

It is an arithmetic number, because the mean of its divisors is an integer number (219739912567).

Almost surely, 2^439479825133 is an apocalyptic number.

It is an amenable number.

439479825133 is a deficient number, since it is larger than the sum of its proper divisors (1).

439479825133 is an equidigital number, since it uses as much as digits as its factorization.

439479825133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 58.

The spelling of 439479825133 in words is "four hundred thirty-nine billion, four hundred seventy-nine million, eight hundred twenty-five thousand, one hundred thirty-three".