6530444117 has 2 divisors, whose sum is σ = 6530444118. Its totient is φ = 6530444116.

The previous prime is 6530444113. The next prime is 6530444143. The reversal of 6530444117 is 7114440356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6342370321 + 188073796 = 79639^2 + 13714^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530444117 - 2² = 6530444113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6530444111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265222058 + 3265222059.

It is an arithmetic number, because the mean of its divisors is an integer number (3265222059).

Almost surely, 2^6530444117 is an apocalyptic number.

It is an amenable number.

6530444117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530444117 is an equidigital number, since it uses as much as digits as its factorization.

6530444117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 6530444117 is about 80811.1633191851. The cubic root of 6530444117 is about 1869.1647081144.

The spelling of 6530444117 in words is "six billion, five hundred thirty million, four hundred forty-four thousand, one hundred seventeen".