4286561866 has 24 divisors (see below), whose sum is σ = 6942346956. Its totient is φ = 1984120320.

The previous prime is 4286561863. The next prime is 4286561887. The reversal of 4286561866 is 6681656824.

It can be written as a sum of positive squares in 6 ways, for example, as 1538600625 + 2747961241 = 39225^2 + 52421^2 .

It is a super-2 number, since 2×4286561866² = 36749225262090803912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4286561863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25531 + ... + 96046.

Almost surely, 2^4286561866 is an apocalyptic number.

4286561866 is a deficient number, since it is larger than the sum of its proper divisors (2655785090).

4286561866 is a wasteful number, since it uses less digits than its factorization.

4286561866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121674 (or 121657 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 4286561866 is about 65471.8402521267. The cubic root of 4286561866 is about 1624.4375951677.

The spelling of 4286561866 in words is "four billion, two hundred eighty-six million, five hundred sixty-one thousand, eight hundred sixty-six".