4216878269 has 2 divisors, whose sum is σ = 4216878270. Its totient is φ = 4216878268.

The previous prime is 4216878251. The next prime is 4216878283. The reversal of 4216878269 is 9628786124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207863044 + 1009015225 = 56638^2 + 31765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4216878269 is a prime.

It is a super-2 number, since 2×4216878269² = 35564124671128872722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4216878269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4216878209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108439134 + 2108439135.

It is an arithmetic number, because the mean of its divisors is an integer number (2108439135).

Almost surely, 2^4216878269 is an apocalyptic number.

It is an amenable number.

4216878269 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216878269 is an equidigital number, since it uses as much as digits as its factorization.

4216878269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The square root of 4216878269 is about 64937.4950933588. The cubic root of 4216878269 is about 1615.5870178965.

The spelling of 4216878269 in words is "four billion, two hundred sixteen million, eight hundred seventy-eight thousand, two hundred sixty-nine".