7699991011 has 2 divisors, whose sum is σ = 7699991012. Its totient is φ = 7699991010.

The previous prime is 7699991009. The next prime is 7699991023. The reversal of 7699991011 is 1101999967.

It is a weak prime.

It is an emirp because it is prime and its reverse (1101999967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7699991011 - 2¹ = 7699991009 is a prime.

Together with 7699991009, 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 7699991011.

It is not a weakly prime, because it can be changed into another prime (7699991051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849995505 + 3849995506.

It is an arithmetic number, because the mean of its divisors is an integer number (3849995506).

Almost surely, 2^7699991011 is an apocalyptic number.

7699991011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7699991011 is an equidigital number, since it uses as much as digits as its factorization.

7699991011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 52.

The square root of 7699991011 is about 87749.5926543252. The cubic root of 7699991011 is about 1974.6800537962.

The spelling of 7699991011 in words is "seven billion, six hundred ninety-nine million, nine hundred ninety-one thousand, eleven".