681486941 has 8 divisors (see below), whose sum is σ = 712258944. Its totient is φ = 650810160.

The previous prime is 681486929. The next prime is 681486947. The reversal of 681486941 is 149684186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 681486941 - 2²⁶ = 614378077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681486947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8966 + ... + 37991.

It is an arithmetic number, because the mean of its divisors is an integer number (89032368).

Almost surely, 2^681486941 is an apocalyptic number.

It is an amenable number.

681486941 is a deficient number, since it is larger than the sum of its proper divisors (30772003).

681486941 is a wasteful number, since it uses less digits than its factorization.

681486941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47611.

The product of its digits is 331776, while the sum is 47.

The square root of 681486941 is about 26105.3048440351. The cubic root of 681486941 is about 880.0064311686.

The spelling of 681486941 in words is "six hundred eighty-one million, four hundred eighty-six thousand, nine hundred forty-one".