681482066734 has 16 divisors (see below), whose sum is σ = 1173401474688. Its totient is φ = 290777117112.

The previous prime is 681482066717. The next prime is 681482066747. The reversal of 681482066734 is 437660284186.

It is a happy number.

It is a congruent number.

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, 107215524 + ... + 107221879.

It is an arithmetic number, because the mean of its divisors is an integer number (73337592168).

Almost surely, 2^681482066734 is an apocalyptic number.

681482066734 is a deficient number, since it is larger than the sum of its proper divisors (491919407954).

681482066734 is a wasteful number, since it uses less digits than its factorization.

681482066734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214437639.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 681482066734 in words is "six hundred eighty-one billion, four hundred eighty-two million, sixty-six thousand, seven hundred thirty-four".