4215664613 has 2 divisors, whose sum is σ = 4215664614. Its totient is φ = 4215664612.

The previous prime is 4215664561. The next prime is 4215664627. The reversal of 4215664613 is 3164665124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3655774369 + 559890244 = 60463^2 + 23662^2 .

It is a cyclic number.

It is not a de Polignac number, because 4215664613 - 2¹² = 4215660517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4215664633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107832306 + 2107832307.

It is an arithmetic number, because the mean of its divisors is an integer number (2107832307).

Almost surely, 2^4215664613 is an apocalyptic number.

It is an amenable number.

4215664613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4215664613 is an equidigital number, since it uses as much as digits as its factorization.

4215664613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 4215664613 is about 64928.1496194062. The cubic root of 4215664613 is about 1615.4320094683.

The spelling of 4215664613 in words is "four billion, two hundred fifteen million, six hundred sixty-four thousand, six hundred thirteen".