5981159381 has 4 divisors (see below), whose sum is σ = 5981321664. Its totient is φ = 5980997100.

The previous prime is 5981159369. The next prime is 5981159399. The reversal of 5981159381 is 1839511895.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5981159381 is a prime.

It is a super-2 number, since 2×5981159381² = 71548535081848606322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5981156381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746 + ... + 109436.

It is an arithmetic number, because the mean of its divisors is an integer number (1495330416).

Almost surely, 2^5981159381 is an apocalyptic number.

It is an amenable number.

5981159381 is a deficient number, since it is larger than the sum of its proper divisors (162283).

5981159381 is a wasteful number, since it uses less digits than its factorization.

5981159381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162282.

The product of its digits is 388800, while the sum is 50.

The square root of 5981159381 is about 77337.9556298200. The cubic root of 5981159381 is about 1815.2166165027.

The spelling of 5981159381 in words is "five billion, nine hundred eighty-one million, one hundred fifty-nine thousand, three hundred eighty-one".