5981356956193 has 4 divisors (see below), whose sum is σ = 5981390753668. Its totient is φ = 5981323158720.

The previous prime is 5981356956163. The next prime is 5981356956227. The reversal of 5981356956193 is 3916596531895.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4286837739024 + 1694519217169 = 2070468^2 + 1301737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5981356956193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5981356956143) 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, 16631868 + ... + 16987693.

It is an arithmetic number, because the mean of its divisors is an integer number (1495347688417).

Almost surely, 2^{5981356956193} is an apocalyptic number.

It is an amenable number.

5981356956193 is a deficient number, since it is larger than the sum of its proper divisors (33797475).

5981356956193 is a wasteful number, since it uses less digits than its factorization.

5981356956193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33797474.

The product of its digits is 236196000, while the sum is 70.

The spelling of 5981356956193 in words is "five trillion, nine hundred eighty-one billion, three hundred fifty-six million, nine hundred fifty-six thousand, one hundred ninety-three".