5981865603 has 8 divisors (see below), whose sum is σ = 9115223808. Its totient is φ = 3418208904.

The previous prime is 5981865587. The next prime is 5981865611. The reversal of 5981865603 is 3065681895.

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

It is not a de Polignac number, because 5981865603 - 2⁴ = 5981865587 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5981865623) 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, 142425351 + ... + 142425392.

It is an arithmetic number, because the mean of its divisors is an integer number (1139402976).

Almost surely, 2^5981865603 is an apocalyptic number.

5981865603 is a deficient number, since it is larger than the sum of its proper divisors (3133358205).

5981865603 is a wasteful number, since it uses less digits than its factorization.

5981865603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284850753.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 5981865603 is about 77342.5213126647. The cubic root of 5981865603 is about 1815.2880572483.

The spelling of 5981865603 in words is "five billion, nine hundred eighty-one million, eight hundred sixty-five thousand, six hundred three".