7699749161 has 4 divisors (see below), whose sum is σ = 8292037572. Its totient is φ = 7107460752.

The previous prime is 7699749133. The next prime is 7699749199. The reversal of 7699749161 is 1619479967.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1430276761 + 6269472400 = 37819^2 + 79180^2 .

It is a cyclic number.

It is not a de Polignac number, because 7699749161 - 2⁶ = 7699749097 is a prime.

It is a super-2 number, since 2×7699749161² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7699749161.

It is not an unprimeable number, because it can be changed into a prime (7699749131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296144186 + ... + 296144211.

It is an arithmetic number, because the mean of its divisors is an integer number (2073009393).

Almost surely, 2^7699749161 is an apocalyptic number.

It is an amenable number.

7699749161 is a deficient number, since it is larger than the sum of its proper divisors (592288411).

7699749161 is a wasteful number, since it uses less digits than its factorization.

7699749161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592288410.

The product of its digits is 5143824, while the sum is 59.

The square root of 7699749161 is about 87748.2145744288. The cubic root of 7699749161 is about 1974.6593792539.

The spelling of 7699749161 in words is "seven billion, six hundred ninety-nine million, seven hundred forty-nine thousand, one hundred sixty-one".