9713620949 has 2 divisors, whose sum is σ = 9713620950. Its totient is φ = 9713620948.

The previous prime is 9713620927. The next prime is 9713620957. The reversal of 9713620949 is 9490263179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9128464849 + 585156100 = 95543^2 + 24190^2 .

It is an emirp because it is prime and its reverse (9490263179) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9713620949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9713620897 and 9713620906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9713620909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856810474 + 4856810475.

It is an arithmetic number, because the mean of its divisors is an integer number (4856810475).

Almost surely, 2^9713620949 is an apocalyptic number.

It is an amenable number.

9713620949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9713620949 is an equidigital number, since it uses as much as digits as its factorization.

9713620949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 9713620949 is about 98557.7036512114. The cubic root of 9713620949 is about 2133.6690162499.

The spelling of 9713620949 in words is "nine billion, seven hundred thirteen million, six hundred twenty thousand, nine hundred forty-nine".