5203942866 has 12 divisors (see below), whose sum is σ = 11275209582. Its totient is φ = 1734647616.

The previous prime is 5203942847. The next prime is 5203942867. The reversal of 5203942866 is 6682493025.

5203942866 is a `hidden beast` number, since 520 + 3 + 9 + 42 + 86 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3803312241 + 1400630625 = 61671^2 + 37425^2 .

It is not an unprimeable number, because it can be changed into a prime (5203942867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144553951 + ... + 144553986.

Almost surely, 2^5203942866 is an apocalyptic number.

5203942866 is an abundant number, since it is smaller than the sum of its proper divisors (6071266716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5203942866 is a wasteful number, since it uses less digits than its factorization.

5203942866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289107945 (or 289107942 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 5203942866 is about 72138.3591856649. The cubic root of 5203942866 is about 1732.9159801470.

The spelling of 5203942866 in words is "five billion, two hundred three million, nine hundred forty-two thousand, eight hundred sixty-six".