2168875417 has 4 divisors (see below), whose sum is σ = 2169064036. Its totient is φ = 2168686800.

The previous prime is 2168875399. The next prime is 2168875433. The reversal of 2168875417 is 7145788612.

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 1324159321 + 844716096 = 36389^2 + 29064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2168875417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168875817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75858 + ... + 100459.

It is an arithmetic number, because the mean of its divisors is an integer number (542266009).

Almost surely, 2^2168875417 is an apocalyptic number.

It is an amenable number.

2168875417 is a deficient number, since it is larger than the sum of its proper divisors (188619).

2168875417 is a wasteful number, since it uses less digits than its factorization.

2168875417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188618.

The product of its digits is 752640, while the sum is 49.

The square root of 2168875417 is about 46571.1865534903. The cubic root of 2168875417 is about 1294.4289043778.

The spelling of 2168875417 in words is "two billion, one hundred sixty-eight million, eight hundred seventy-five thousand, four hundred seventeen".