6496761846181 has 2 divisors, whose sum is σ = 6496761846182. Its totient is φ = 6496761846180.

The previous prime is 6496761846139. The next prime is 6496761846193. The reversal of 6496761846181 is 1816481676946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6209396161956 + 287365684225 = 2491866^2 + 536065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6496761846181 is a prime.

It is a super-2 number, since 2×6496761846181² (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 (6496761846881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248380923090 + 3248380923091.

It is an arithmetic number, because the mean of its divisors is an integer number (3248380923091).

Almost surely, 2^{6496761846181} is an apocalyptic number.

It is an amenable number.

6496761846181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6496761846181 is an equidigital number, since it uses as much as digits as its factorization.

6496761846181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83607552, while the sum is 67.

The spelling of 6496761846181 in words is "six trillion, four hundred ninety-six billion, seven hundred sixty-one million, eight hundred forty-six thousand, one hundred eighty-one".