6046487981 has 2 divisors, whose sum is σ = 6046487982. Its totient is φ = 6046487980.

The previous prime is 6046487977. The next prime is 6046488029. The reversal of 6046487981 is 1897846406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4341623881 + 1704864100 = 65891^2 + 41290^2 .

It is a cyclic number.

It is not a de Polignac number, because 6046487981 - 2² = 6046487977 is a prime.

It is a super-2 number, since 2×6046487981² = 73120033808754912722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6046487911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3023243990 + 3023243991.

It is an arithmetic number, because the mean of its divisors is an integer number (3023243991).

Almost surely, 2^6046487981 is an apocalyptic number.

It is an amenable number.

6046487981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6046487981 is an equidigital number, since it uses as much as digits as its factorization.

6046487981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 6046487981 is about 77759.1665400292. The cubic root of 6046487981 is about 1821.8015391144.

The spelling of 6046487981 in words is "six billion, forty-six million, four hundred eighty-seven thousand, nine hundred eighty-one".