7681349111 has 2 divisors, whose sum is σ = 7681349112. Its totient is φ = 7681349110.

The previous prime is 7681349107. The next prime is 7681349119. The reversal of 7681349111 is 1119431867.

It is a weak prime.

It is an emirp because it is prime and its reverse (1119431867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7681349111 - 2² = 7681349107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7681349119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840674555 + 3840674556.

It is an arithmetic number, because the mean of its divisors is an integer number (3840674556).

Almost surely, 2^7681349111 is an apocalyptic number.

7681349111 is a deficient number, since it is larger than the sum of its proper divisors (1).

7681349111 is an equidigital number, since it uses as much as digits as its factorization.

7681349111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 7681349111 is about 87643.3061391456. The cubic root of 7681349111 is about 1973.0851802641.

The spelling of 7681349111 in words is "seven billion, six hundred eighty-one million, three hundred forty-nine thousand, one hundred eleven".