6782498493913 has 2 divisors, whose sum is σ = 6782498493914. Its totient is φ = 6782498493912.

The previous prime is 6782498493833. The next prime is 6782498493937. The reversal of 6782498493913 is 3193948942876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4290151127824 + 2492347366089 = 2071268^2 + 1578717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6782498493913 is a prime.

It is a super-2 number, since 2×6782498493913² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6782498493943) 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, 3391249246956 + 3391249246957.

It is an arithmetic number, because the mean of its divisors is an integer number (3391249246957).

Almost surely, 2^{6782498493913} is an apocalyptic number.

It is an amenable number.

6782498493913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6782498493913 is an equidigital number, since it uses as much as digits as its factorization.

6782498493913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564350976, while the sum is 73.

The spelling of 6782498493913 in words is "six trillion, seven hundred eighty-two billion, four hundred ninety-eight million, four hundred ninety-three thousand, nine hundred thirteen".