6246782173081 has 2 divisors, whose sum is σ = 6246782173082. Its totient is φ = 6246782173080.

The previous prime is 6246782173063. The next prime is 6246782173103. The reversal of 6246782173081 is 1803712876426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5548187100681 + 698595072400 = 2355459^2 + 835820^2 .

It is a cyclic number.

It is not a de Polignac number, because 6246782173081 - 2¹¹ = 6246782171033 is a prime.

It is a super-2 number, since 2×6246782173081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6246782173481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123391086540 + 3123391086541.

It is an arithmetic number, because the mean of its divisors is an integer number (3123391086541).

Almost surely, 2^{6246782173081} is an apocalyptic number.

It is an amenable number.

6246782173081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6246782173081 is an equidigital number, since it uses as much as digits as its factorization.

6246782173081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 6246782173081 in words is "six trillion, two hundred forty-six billion, seven hundred eighty-two million, one hundred seventy-three thousand, eighty-one".