681102417 has 8 divisors (see below), whose sum is σ = 925271424. Its totient is φ = 445500848.

The previous prime is 681102407. The next prime is 681102419. The reversal of 681102417 is 714201186.

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 681102417 - 2¹¹ = 681100369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (681102419) 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, 2141673 + ... + 2141990.

It is an arithmetic number, because the mean of its divisors is an integer number (115658928).

Almost surely, 2^681102417 is an apocalyptic number.

It is an amenable number.

681102417 is a deficient number, since it is larger than the sum of its proper divisors (244169007).

681102417 is a wasteful number, since it uses less digits than its factorization.

681102417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283719.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 681102417 is about 26097.9389416099. The cubic root of 681102417 is about 879.8408876411.

The spelling of 681102417 in words is "six hundred eighty-one million, one hundred two thousand, four hundred seventeen".