671235721714 has 16 divisors (see below), whose sum is σ = 1025897285952. Its totient is φ = 329270533488.

The previous prime is 671235721703. The next prime is 671235721763. The reversal of 671235721714 is 417127532176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423557 + ... + 2686279.

It is an arithmetic number, because the mean of its divisors is an integer number (64118580372).

Almost surely, 2^671235721714 is an apocalyptic number.

671235721714 is a deficient number, since it is larger than the sum of its proper divisors (354661564238).

671235721714 is a wasteful number, since it uses less digits than its factorization.

671235721714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286881.

The product of its digits is 493920, while the sum is 46.

The spelling of 671235721714 in words is "six hundred seventy-one billion, two hundred thirty-five million, seven hundred twenty-one thousand, seven hundred fourteen".