4645664117 has 2 divisors, whose sum is σ = 4645664118. Its totient is φ = 4645664116.

The previous prime is 4645664083. The next prime is 4645664183. The reversal of 4645664117 is 7114665464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2810484196 + 1835179921 = 53014^2 + 42839^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645664117 - 2⁶ = 4645664053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645664017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322832058 + 2322832059.

It is an arithmetic number, because the mean of its divisors is an integer number (2322832059).

Almost surely, 2^4645664117 is an apocalyptic number.

It is an amenable number.

4645664117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645664117 is an equidigital number, since it uses as much as digits as its factorization.

4645664117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 4645664117 is about 68159.1088336695. The cubic root of 4645664117 is about 1668.5885880302.

The spelling of 4645664117 in words is "four billion, six hundred forty-five million, six hundred sixty-four thousand, one hundred seventeen".