7699648349 has 2 divisors, whose sum is σ = 7699648350. Its totient is φ = 7699648348.

The previous prime is 7699648309. The next prime is 7699648351. The reversal of 7699648349 is 9438469967.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6243844324 + 1455804025 = 79018^2 + 38155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7699648349 is a prime.

Together with 7699648351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7699648309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849824174 + 3849824175.

It is an arithmetic number, because the mean of its divisors is an integer number (3849824175).

Almost surely, 2^7699648349 is an apocalyptic number.

It is an amenable number.

7699648349 is a deficient number, since it is larger than the sum of its proper divisors (1).

7699648349 is an equidigital number, since it uses as much as digits as its factorization.

7699648349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70543872, while the sum is 65.

The square root of 7699648349 is about 87747.6401335101. The cubic root of 7699648349 is about 1974.6507612142.

The spelling of 7699648349 in words is "seven billion, six hundred ninety-nine million, six hundred forty-eight thousand, three hundred forty-nine".