4122864817 has 4 divisors (see below), whose sum is σ = 4165368676. Its totient is φ = 4080360960.

The previous prime is 4122864791. The next prime is 4122864827. The reversal of 4122864817 is 7184682214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3404839201 + 718025616 = 58351^2 + 26796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4122864817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4122864827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21251784 + ... + 21251977.

It is an arithmetic number, because the mean of its divisors is an integer number (1041342169).

Almost surely, 2^4122864817 is an apocalyptic number.

It is an amenable number.

4122864817 is a deficient number, since it is larger than the sum of its proper divisors (42503859).

4122864817 is an equidigital number, since it uses as much as digits as its factorization.

4122864817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42503858.

The product of its digits is 172032, while the sum is 43.

The square root of 4122864817 is about 64209.5383646386. The cubic root of 4122864817 is about 1603.4904031885.

The spelling of 4122864817 in words is "four billion, one hundred twenty-two million, eight hundred sixty-four thousand, eight hundred seventeen".