6464632117 has 2 divisors, whose sum is σ = 6464632118. Its totient is φ = 6464632116.

The previous prime is 6464632099. The next prime is 6464632133. The reversal of 6464632117 is 7112364646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5946568996 + 518063121 = 77114^2 + 22761^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464632117 - 2⁷ = 6464631989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6464632117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6464636117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232316058 + 3232316059.

It is an arithmetic number, because the mean of its divisors is an integer number (3232316059).

Almost surely, 2^6464632117 is an apocalyptic number.

It is an amenable number.

6464632117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464632117 is an equidigital number, since it uses as much as digits as its factorization.

6464632117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 6464632117 is about 80402.9359973876. The cubic root of 6464632117 is about 1862.8645225713.

The spelling of 6464632117 in words is "six billion, four hundred sixty-four million, six hundred thirty-two thousand, one hundred seventeen".