5681969641 has 8 divisors (see below), whose sum is σ = 5697302400. Its totient is φ = 5666657568.

The previous prime is 5681969603. The next prime is 5681969651. The reversal of 5681969641 is 1469691865.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5681969641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5681969651) 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, 652780 + ... + 661426.

It is an arithmetic number, because the mean of its divisors is an integer number (712162800).

Almost surely, 2^5681969641 is an apocalyptic number.

It is an amenable number.

5681969641 is a deficient number, since it is larger than the sum of its proper divisors (15332759).

5681969641 is a wasteful number, since it uses less digits than its factorization.

5681969641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343.

The product of its digits is 2799360, while the sum is 55.

The square root of 5681969641 is about 75378.8408043000. The cubic root of 5681969641 is about 1784.4304942224.

The spelling of 5681969641 in words is "five billion, six hundred eighty-one million, nine hundred sixty-nine thousand, six hundred forty-one".