439134481 has 2 divisors, whose sum is σ = 439134482. Its totient is φ = 439134480.

The previous prime is 439134467. The next prime is 439134511. The reversal of 439134481 is 184431934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361342081 + 77792400 = 19009^2 + 8820^2 .

It is a cyclic number.

It is not a de Polignac number, because 439134481 - 2⁹ = 439133969 is a prime.

It is a super-2 number, since 2×439134481² = 385678184806278722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 439134481.

It is not a weakly prime, because it can be changed into another prime (439134461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219567240 + 219567241.

It is an arithmetic number, because the mean of its divisors is an integer number (219567241).

Almost surely, 2^439134481 is an apocalyptic number.

It is an amenable number.

439134481 is a deficient number, since it is larger than the sum of its proper divisors (1).

439134481 is an equidigital number, since it uses as much as digits as its factorization.

439134481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 439134481 is about 20955.5358079912. The cubic root of 439134481 is about 760.0914484834.

The spelling of 439134481 in words is "four hundred thirty-nine million, one hundred thirty-four thousand, four hundred eighty-one".