681462683 has 16 divisors (see below), whose sum is σ = 789037440. Its totient is φ = 586883880.

The previous prime is 681462679. The next prime is 681462689. The reversal of 681462683 is 386264186.

It is not a de Polignac number, because 681462683 - 2² = 681462679 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681462689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11816 + ... + 38762.

It is an arithmetic number, because the mean of its divisors is an integer number (49314840).

Almost surely, 2^681462683 is an apocalyptic number.

681462683 is a deficient number, since it is larger than the sum of its proper divisors (107574757).

681462683 is a wasteful number, since it uses less digits than its factorization.

681462683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26999 (or 26977 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 681462683 is about 26104.8402216907. The cubic root of 681462683 is about 879.9959895651.

It can be divided in two parts, 681 and 462683, that added together give a palindrome (463364).

The spelling of 681462683 in words is "six hundred eighty-one million, four hundred sixty-two thousand, six hundred eighty-three".