6841962099781 has 2 divisors, whose sum is σ = 6841962099782. Its totient is φ = 6841962099780.

The previous prime is 6841962099779. The next prime is 6841962099857. The reversal of 6841962099781 is 1879902691486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4144648577281 + 2697313522500 = 2035841^2 + 1642350^2 .

It is a cyclic number.

It is not a de Polignac number, because 6841962099781 - 2¹ = 6841962099779 is a prime.

It is a super-2 number, since 2×6841962099781² (a number of 26 digits) contains 22 as substring.

Together with 6841962099779, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6841962099781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6841962091781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420981049890 + 3420981049891.

It is an arithmetic number, because the mean of its divisors is an integer number (3420981049891).

Almost surely, 2^{6841962099781} is an apocalyptic number.

It is an amenable number.

6841962099781 is a deficient number, since it is larger than the sum of its proper divisors (1).

6841962099781 is an equidigital number, since it uses as much as digits as its factorization.

6841962099781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94058496, while the sum is 70.

The spelling of 6841962099781 in words is "six trillion, eight hundred forty-one billion, nine hundred sixty-two million, ninety-nine thousand, seven hundred eighty-one".