5097696661 has 2 divisors, whose sum is σ = 5097696662. Its totient is φ = 5097696660.

The previous prime is 5097696613. The next prime is 5097696677. The reversal of 5097696661 is 1666967905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3864984561 + 1232712100 = 62169^2 + 35110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5097696661 is a prime.

It is a super-3 number, since 3×5097696661³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5097696061) 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, 2548848330 + 2548848331.

It is an arithmetic number, because the mean of its divisors is an integer number (2548848331).

Almost surely, 2^5097696661 is an apocalyptic number.

It is an amenable number.

5097696661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5097696661 is an equidigital number, since it uses as much as digits as its factorization.

5097696661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The square root of 5097696661 is about 71398.1558655404. The cubic root of 5097696661 is about 1721.0414484471.

The spelling of 5097696661 in words is "five billion, ninety-seven million, six hundred ninety-six thousand, six hundred sixty-one".