6260556781 has 2 divisors, whose sum is σ = 6260556782. Its totient is φ = 6260556780.

The previous prime is 6260556779. The next prime is 6260556853. The reversal of 6260556781 is 1876550626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4066102756 + 2194454025 = 63766^2 + 46845^2 .

It is a cyclic number.

It is not a de Polignac number, because 6260556781 - 2¹ = 6260556779 is a prime.

It is a super-2 number, since 2×6260556781² = 78389142416250163922, which contains 22 as substring.

Together with 6260556779, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6260556481) 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 as a sum of consecutive naturals, namely, 3130278390 + 3130278391.

It is an arithmetic number, because the mean of its divisors is an integer number (3130278391).

Almost surely, 2^6260556781 is an apocalyptic number.

It is an amenable number.

6260556781 is a deficient number, since it is larger than the sum of its proper divisors (1).

6260556781 is an equidigital number, since it uses as much as digits as its factorization.

6260556781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 6260556781 is about 79123.6802796735. The cubic root of 6260556781 is about 1843.0522729796.

The spelling of 6260556781 in words is "six billion, two hundred sixty million, five hundred fifty-six thousand, seven hundred eighty-one".