9713871245 has 8 divisors (see below), whose sum is σ = 12553310616. Its totient is φ = 7173320256.

The previous prime is 9713871241. The next prime is 9713871253. The reversal of 9713871245 is 5421783179.

It can be written as a sum of positive squares in 4 ways, for example, as 619960201 + 9093911044 = 24899^2 + 95362^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9713871245 - 2² = 9713871241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9713871245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713871241) 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 in 7 ways as a sum of consecutive naturals, for example, 74722022 + ... + 74722151.

It is an arithmetic number, because the mean of its divisors is an integer number (1569163827).

Almost surely, 2^9713871245 is an apocalyptic number.

It is an amenable number.

9713871245 is a deficient number, since it is larger than the sum of its proper divisors (2839439371).

9713871245 is a wasteful number, since it uses less digits than its factorization.

9713871245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149444191.

The product of its digits is 423360, while the sum is 47.

The square root of 9713871245 is about 98558.9734372269. The cubic root of 9713871245 is about 2133.6873425512.

The spelling of 9713871245 in words is "nine billion, seven hundred thirteen million, eight hundred seventy-one thousand, two hundred forty-five".