9687401497 has 2 divisors, whose sum is σ = 9687401498. Its totient is φ = 9687401496.

The previous prime is 9687401491. The next prime is 9687401551. The reversal of 9687401497 is 7941047869.

9687401497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6032473561 + 3654927936 = 77669^2 + 60456^2 .

It is an emirp because it is prime and its reverse (7941047869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9687401497 - 2¹⁹ = 9686877209 is a prime.

It is not a weakly prime, because it can be changed into another prime (9687401491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843700748 + 4843700749.

It is an arithmetic number, because the mean of its divisors is an integer number (4843700749).

Almost surely, 2^9687401497 is an apocalyptic number.

It is an amenable number.

9687401497 is a deficient number, since it is larger than the sum of its proper divisors (1).

9687401497 is an equidigital number, since it uses as much as digits as its factorization.

9687401497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 9687401497 is about 98424.5980281352. The cubic root of 9687401497 is about 2131.7475205318.

The spelling of 9687401497 in words is "nine billion, six hundred eighty-seven million, four hundred one thousand, four hundred ninety-seven".