4050008861 has 2 divisors, whose sum is σ = 4050008862. Its totient is φ = 4050008860.

The previous prime is 4050008839. The next prime is 4050008873. The reversal of 4050008861 is 1688000504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2711180761 + 1338828100 = 52069^2 + 36590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4050008861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4050008881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025004430 + 2025004431.

It is an arithmetic number, because the mean of its divisors is an integer number (2025004431).

Almost surely, 2^4050008861 is an apocalyptic number.

It is an amenable number.

4050008861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4050008861 is an equidigital number, since it uses as much as digits as its factorization.

4050008861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 4050008861 is about 63639.6799253422. The cubic root of 4050008861 is about 1593.9890162691.

The spelling of 4050008861 in words is "four billion, fifty million, eight thousand, eight hundred sixty-one".