449556539 has 2 divisors, whose sum is σ = 449556540. Its totient is φ = 449556538.

The previous prime is 449556467. The next prime is 449556563. The reversal of 449556539 is 935655944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449556539 is a prime.

It is a super-3 number, since 3×449556539³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (449556599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224778269 + 224778270.

It is an arithmetic number, because the mean of its divisors is an integer number (224778270).

Almost surely, 2^449556539 is an apocalyptic number.

449556539 is a deficient number, since it is larger than the sum of its proper divisors (1).

449556539 is an equidigital number, since it uses as much as digits as its factorization.

449556539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916000, while the sum is 50.

The square root of 449556539 is about 21202.7483831696. The cubic root of 449556539 is about 766.0576249577.

The spelling of 449556539 in words is "four hundred forty-nine million, five hundred fifty-six thousand, five hundred thirty-nine".