7699749097 has 2 divisors, whose sum is σ = 7699749098. Its totient is φ = 7699749096.

The previous prime is 7699749091. The next prime is 7699749131. The reversal of 7699749097 is 7909479967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7662551296 + 37197801 = 87536^2 + 6099^2 .

It is a cyclic number.

It is not a de Polignac number, because 7699749097 - 2¹⁵ = 7699716329 is a prime.

It is a super-2 number, since 2×7699749097² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7699749091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3849874548 + 3849874549.

It is an arithmetic number, because the mean of its divisors is an integer number (3849874549).

Almost surely, 2^7699749097 is an apocalyptic number.

It is an amenable number.

7699749097 is a deficient number, since it is larger than the sum of its proper divisors (1).

7699749097 is an equidigital number, since it uses as much as digits as its factorization.

7699749097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54010152, while the sum is 67.

The square root of 7699749097 is about 87748.2142097490. The cubic root of 7699749097 is about 1974.6593737828.

The spelling of 7699749097 in words is "seven billion, six hundred ninety-nine million, seven hundred forty-nine thousand, ninety-seven".