9713001997 has 2 divisors, whose sum is σ = 9713001998. Its totient is φ = 9713001996.

The previous prime is 9713001973. The next prime is 9713002007. The reversal of 9713001997 is 7991003179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9407836036 + 305165961 = 96994^2 + 17469^2 .

It is an emirp because it is prime and its reverse (7991003179) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9713001997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9713001097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856500998 + 4856500999.

It is an arithmetic number, because the mean of its divisors is an integer number (4856500999).

Almost surely, 2^9713001997 is an apocalyptic number.

It is an amenable number.

9713001997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9713001997 is an equidigital number, since it uses as much as digits as its factorization.

9713001997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107163, while the sum is 46.

The square root of 9713001997 is about 98554.5635523795. The cubic root of 9713001997 is about 2133.6236961520.

The spelling of 9713001997 in words is "nine billion, seven hundred thirteen million, one thousand, nine hundred ninety-seven".