6206742881 has 2 divisors, whose sum is σ = 6206742882. Its totient is φ = 6206742880.

The previous prime is 6206742877. The next prime is 6206742931. The reversal of 6206742881 is 1882476026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6055329856 + 151413025 = 77816^2 + 12305^2 .

It is a cyclic number.

It is not a de Polignac number, because 6206742881 - 2² = 6206742877 is a prime.

It is a super-2 number, since 2×6206742881² = 77047314381688360322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6206742781) 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, 3103371440 + 3103371441.

It is an arithmetic number, because the mean of its divisors is an integer number (3103371441).

Almost surely, 2^6206742881 is an apocalyptic number.

It is an amenable number.

6206742881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6206742881 is an equidigital number, since it uses as much as digits as its factorization.

6206742881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 6206742881 is about 78782.8844419903. The cubic root of 6206742881 is about 1837.7562916826.

The spelling of 6206742881 in words is "six billion, two hundred six million, seven hundred forty-two thousand, eight hundred eighty-one".