6866771914 has 4 divisors (see below), whose sum is σ = 10300157874. Its totient is φ = 3433385956.

The previous prime is 6866771861. The next prime is 6866771917. The reversal of 6866771914 is 4191776686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4551526225 + 2315245689 = 67465^2 + 48117^2 .

It is not an unprimeable number, because it can be changed into a prime (6866771917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716692977 + ... + 1716692980.

Almost surely, 2^6866771914 is an apocalyptic number.

6866771914 is a deficient number, since it is larger than the sum of its proper divisors (3433385960).

6866771914 is a wasteful number, since it uses less digits than its factorization.

6866771914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433385959.

The product of its digits is 3048192, while the sum is 55.

The square root of 6866771914 is about 82865.9876789024. The cubic root of 6866771914 is about 1900.7173573778.

The spelling of 6866771914 in words is "six billion, eight hundred sixty-six million, seven hundred seventy-one thousand, nine hundred fourteen".