6206077619981 has 2 divisors, whose sum is σ = 6206077619982. Its totient is φ = 6206077619980.

The previous prime is 6206077619977. The next prime is 6206077620019. The reversal of 6206077619981 is 1899167706026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5891620234756 + 314457385225 = 2427266^2 + 560765^2 .

It is a cyclic number.

It is not a de Polignac number, because 6206077619981 - 2² = 6206077619977 is a prime.

It is a super-2 number, since 2×6206077619981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6206077612981) 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, 3103038809990 + 3103038809991.

It is an arithmetic number, because the mean of its divisors is an integer number (3103038809991).

Almost surely, 2^{6206077619981} is an apocalyptic number.

It is an amenable number.

6206077619981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6206077619981 is an equidigital number, since it uses as much as digits as its factorization.

6206077619981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 6206077619981 in words is "six trillion, two hundred six billion, seventy-seven million, six hundred nineteen thousand, nine hundred eighty-one".