9713998456 has 32 divisors (see below), whose sum is σ = 19099947600. Its totient is φ = 4625268480.

The previous prime is 9713998453. The next prime is 9713998471. The reversal of 9713998456 is 6548993179.

It is a junction number, because it is equal to n+sod(n) for n = 9713998394 and 9713998403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713998453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269850 + ... + 303721.

Almost surely, 2^9713998456 is an apocalyptic number.

It is an amenable number.

9713998456 is a deficient number, since it is larger than the sum of its proper divisors (9385949144).

9713998456 is a wasteful number, since it uses less digits than its factorization.

9713998456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573679 (or 573675 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 61.

The square root of 9713998456 is about 98559.6187898472. The cubic root of 9713998456 is about 2133.6966566310.

The spelling of 9713998456 in words is "nine billion, seven hundred thirteen million, nine hundred ninety-eight thousand, four hundred fifty-six".