5681050447 has 4 divisors (see below), whose sum is σ = 5690318680. Its totient is φ = 5671782216.

The previous prime is 5681050363. The next prime is 5681050451. The reversal of 5681050447 is 7440501865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5681050447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681050477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4633197 + ... + 4634422.

It is an arithmetic number, because the mean of its divisors is an integer number (1422579670).

Almost surely, 2^5681050447 is an apocalyptic number.

5681050447 is a deficient number, since it is larger than the sum of its proper divisors (9268233).

5681050447 is an equidigital number, since it uses as much as digits as its factorization.

5681050447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268232.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 5681050447 is about 75372.7433957396. The cubic root of 5681050447 is about 1784.3342643136.

The spelling of 5681050447 in words is "five billion, six hundred eighty-one million, fifty thousand, four hundred forty-seven".