9713894456 has 128 divisors (see below), whose sum is σ = 21960048000. Its totient is φ = 4023613440.

The previous prime is 9713894453. The next prime is 9713894521. The reversal of 9713894456 is 6544983179.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 9713894456 = 1165³ + 2011³ = 1582³ + 1792³.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713894453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24468050 + ... + 24468446.

It is an arithmetic number, because the mean of its divisors is an integer number (171562875).

Almost surely, 2^9713894456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9713894456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10980024000).

9713894456 is an abundant number, since it is smaller than the sum of its proper divisors (12246153544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9713894456 is a wasteful number, since it uses less digits than its factorization.

9713894456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 684 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The square root of 9713894456 is about 98559.0911889918. The cubic root of 9713894456 is about 2133.6890420102.

The spelling of 9713894456 in words is "nine billion, seven hundred thirteen million, eight hundred ninety-four thousand, four hundred fifty-six".