439793270641 has 2 divisors, whose sum is σ = 439793270642. Its totient is φ = 439793270640.

The previous prime is 439793270621. The next prime is 439793270687. The reversal of 439793270641 is 146072397934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252913439025 + 186879831616 = 502905^2 + 432296^2 .

It is a cyclic number.

It is not a de Polignac number, because 439793270641 - 2¹³ = 439793262449 is a prime.

It is a super-2 number, since 2×439793270641² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (439793270621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219896635320 + 219896635321.

It is an arithmetic number, because the mean of its divisors is an integer number (219896635321).

Almost surely, 2^439793270641 is an apocalyptic number.

It is an amenable number.

439793270641 is a deficient number, since it is larger than the sum of its proper divisors (1).

439793270641 is an equidigital number, since it uses as much as digits as its factorization.

439793270641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 439793270641 in words is "four hundred thirty-nine billion, seven hundred ninety-three million, two hundred seventy thousand, six hundred forty-one".