6442612117 has 2 divisors, whose sum is σ = 6442612118. Its totient is φ = 6442612116.

The previous prime is 6442612103. The next prime is 6442612147. The reversal of 6442612117 is 7112162446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4271145316 + 2171466801 = 65354^2 + 46599^2 .

It is a cyclic number.

It is not a de Polignac number, because 6442612117 - 2¹⁹ = 6442087829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6442612147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221306058 + 3221306059.

It is an arithmetic number, because the mean of its divisors is an integer number (3221306059).

Almost surely, 2^6442612117 is an apocalyptic number.

It is an amenable number.

6442612117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442612117 is an equidigital number, since it uses as much as digits as its factorization.

6442612117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 6442612117 is about 80265.8838922241. The cubic root of 6442612117 is about 1860.7470037828.

The spelling of 6442612117 in words is "six billion, four hundred forty-two million, six hundred twelve thousand, one hundred seventeen".