681106069963 has 8 divisors (see below), whose sum is σ = 786732145200. Its totient is φ = 582764551680.

The previous prime is 681106069951. The next prime is 681106069979. The reversal of 681106069963 is 369960601186.

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 681106069963 - 2²¹ = 681103972811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681106069913) 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, 1821139038 + ... + 1821139411.

It is an arithmetic number, because the mean of its divisors is an integer number (98341518150).

Almost surely, 2^681106069963 is an apocalyptic number.

681106069963 is a deficient number, since it is larger than the sum of its proper divisors (105626075237).

681106069963 is a wasteful number, since it uses less digits than its factorization.

681106069963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642278477.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 681106069963 in words is "six hundred eighty-one billion, one hundred six million, sixty-nine thousand, nine hundred sixty-three".