4206864869 has 2 divisors, whose sum is σ = 4206864870. Its totient is φ = 4206864868.

The previous prime is 4206864859. The next prime is 4206864899. The reversal of 4206864869 is 9684686024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3474513025 + 732351844 = 58945^2 + 27062^2 .

It is a cyclic number.

It is not a de Polignac number, because 4206864869 - 2¹² = 4206860773 is a prime.

It is a super-2 number, since 2×4206864869² = 35395424052052774322, 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 4206864869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4206864859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103432434 + 2103432435.

It is an arithmetic number, because the mean of its divisors is an integer number (2103432435).

Almost surely, 2^4206864869 is an apocalyptic number.

It is an amenable number.

4206864869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4206864869 is an equidigital number, since it uses as much as digits as its factorization.

4206864869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The square root of 4206864869 is about 64860.3489737760. The cubic root of 4206864869 is about 1614.3072132655.

The spelling of 4206864869 in words is "four billion, two hundred six million, eight hundred sixty-four thousand, eight hundred sixty-nine".