9797299081 has 2 divisors, whose sum is σ = 9797299082. Its totient is φ = 9797299080.

The previous prime is 9797299063. The next prime is 9797299091. The reversal of 9797299081 is 1809927979.

9797299081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9784375056 + 12924025 = 98916^2 + 3595^2 .

It is a cyclic number.

It is not a de Polignac number, because 9797299081 - 2¹³ = 9797290889 is a prime.

It is a super-2 number, since 2×9797299081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9797299091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4898649540 + 4898649541.

It is an arithmetic number, because the mean of its divisors is an integer number (4898649541).

Almost surely, 2^9797299081 is an apocalyptic number.

It is an amenable number.

9797299081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9797299081 is an equidigital number, since it uses as much as digits as its factorization.

9797299081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 61.

The square root of 9797299081 is about 98981.3067250579. The cubic root of 9797299081 is about 2139.7783478614.

The spelling of 9797299081 in words is "nine billion, seven hundred ninety-seven million, two hundred ninety-nine thousand, eighty-one".