5681969593 has 2 divisors, whose sum is σ = 5681969594. Its totient is φ = 5681969592.

The previous prime is 5681969591. The next prime is 5681969597. The reversal of 5681969593 is 3959691865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5495701689 + 186267904 = 74133^2 + 13648^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681969593 - 2¹ = 5681969591 is a prime.

Together with 5681969591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5681969591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840984796 + 2840984797.

It is an arithmetic number, because the mean of its divisors is an integer number (2840984797).

Almost surely, 2^5681969593 is an apocalyptic number.

It is an amenable number.

5681969593 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681969593 is an equidigital number, since it uses as much as digits as its factorization.

5681969593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15746400, while the sum is 61.

The square root of 5681969593 is about 75378.8404859082. The cubic root of 5681969593 is about 1784.4304891975.

The spelling of 5681969593 in words is "five billion, six hundred eighty-one million, nine hundred sixty-nine thousand, five hundred ninety-three".