2047143866 has 16 divisors (see below), whose sum is σ = 3233218560. Its totient is φ = 969433920.

The previous prime is 2047143841. The next prime is 2047143877. The reversal of 2047143866 is 6683417402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245831 + ... + 254021.

It is an arithmetic number, because the mean of its divisors is an integer number (202076160).

Almost surely, 2^2047143866 is an apocalyptic number.

2047143866 is a deficient number, since it is larger than the sum of its proper divisors (1186074694).

2047143866 is a wasteful number, since it uses less digits than its factorization.

2047143866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 2047143866 is about 45245.3739734793. The cubic root of 2047143866 is about 1269.7438601384.

Adding to 2047143866 its product of nonzero digits (193536), we get a palindrome (2047337402).

The spelling of 2047143866 in words is "two billion, forty-seven million, one hundred forty-three thousand, eight hundred sixty-six".