1426681868 has 12 divisors (see below), whose sum is σ = 2511126240. Its totient is φ = 709217232.

The previous prime is 1426681859. The next prime is 1426681889. The reversal of 1426681868 is 8681866241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030148 + ... + 1031531.

It is an arithmetic number, because the mean of its divisors is an integer number (209260520).

Almost surely, 2^1426681868 is an apocalyptic number.

It is an amenable number.

1426681868 is a deficient number, since it is larger than the sum of its proper divisors (1084444372).

1426681868 is a wasteful number, since it uses less digits than its factorization.

1426681868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061856 (or 2061854 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 1426681868 is about 37771.4424929734. The cubic root of 1426681868 is about 1125.7511015133.

The spelling of 1426681868 in words is "one billion, four hundred twenty-six million, six hundred eighty-one thousand, eight hundred sixty-eight".