6021873581 has 2 divisors, whose sum is σ = 6021873582. Its totient is φ = 6021873580.

The previous prime is 6021873563. The next prime is 6021873619. The reversal of 6021873581 is 1853781206.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5731852681 + 290020900 = 75709^2 + 17030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6021873581 is a prime.

It is a super-2 number, since 2×6021873581² = 72525922851091527122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6021873521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010936790 + 3010936791.

It is an arithmetic number, because the mean of its divisors is an integer number (3010936791).

Almost surely, 2^6021873581 is an apocalyptic number.

It is an amenable number.

6021873581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6021873581 is an equidigital number, since it uses as much as digits as its factorization.

6021873581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 6021873581 is about 77600.7318328893. The cubic root of 6021873581 is about 1819.3260779226.

The spelling of 6021873581 in words is "six billion, twenty-one million, eight hundred seventy-three thousand, five hundred eighty-one".