4168313969 has 4 divisors (see below), whose sum is σ = 4170919140. Its totient is φ = 4165708800.

The previous prime is 4168313887. The next prime is 4168313977. The reversal of 4168313969 is 9693138614.

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 3330790369 + 837523600 = 57713^2 + 28940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4168313969 is a prime.

It is a super-2 number, since 2×4168313969² = 34749682688321065922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4168312969) 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, 1300184 + ... + 1303385.

It is an arithmetic number, because the mean of its divisors is an integer number (1042729785).

Almost surely, 2^4168313969 is an apocalyptic number.

It is an amenable number.

4168313969 is a deficient number, since it is larger than the sum of its proper divisors (2605171).

4168313969 is a wasteful number, since it uses less digits than its factorization.

4168313969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605170.

The product of its digits is 839808, while the sum is 50.

The square root of 4168313969 is about 64562.4811248762. The cubic root of 4168313969 is about 1609.3610067915.

The spelling of 4168313969 in words is "four billion, one hundred sixty-eight million, three hundred thirteen thousand, nine hundred sixty-nine".