6993921317743 has 2 divisors, whose sum is σ = 6993921317744. Its totient is φ = 6993921317742.

The previous prime is 6993921317699. The next prime is 6993921317771. The reversal of 6993921317743 is 3477131293996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6993921317743 - 2²¹ = 6993919220591 is a prime.

It is a super-2 number, since 2×6993921317743² (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 (6993921317843) 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, 3496960658871 + 3496960658872.

It is an arithmetic number, because the mean of its divisors is an integer number (3496960658872).

Almost surely, 2^{6993921317743} is an apocalyptic number.

6993921317743 is a deficient number, since it is larger than the sum of its proper divisors (1).

6993921317743 is an equidigital number, since it uses as much as digits as its factorization.

6993921317743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46294416, while the sum is 64.

The spelling of 6993921317743 in words is "six trillion, nine hundred ninety-three billion, nine hundred twenty-one million, three hundred seventeen thousand, seven hundred forty-three".