9993539455 has 8 divisors (see below), whose sum is σ = 12104325072. Its totient is φ = 7920113088.

The previous prime is 9993539443. The next prime is 9993539503. The reversal of 9993539455 is 5549353999.

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 9993539455 - 2⁹ = 9993538943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9993539393 and 9993539402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9339222 + ... + 9340291.

It is an arithmetic number, because the mean of its divisors is an integer number (1513040634).

Almost surely, 2^9993539455 is an apocalyptic number.

9993539455 is a deficient number, since it is larger than the sum of its proper divisors (2110785617).

9993539455 is a wasteful number, since it uses less digits than its factorization.

9993539455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18679625.

The product of its digits is 29524500, while the sum is 61.

The square root of 9993539455 is about 99967.6920559838. The cubic root of 9993539455 is about 2153.9706293392.

The spelling of 9993539455 in words is "nine billion, nine hundred ninety-three million, five hundred thirty-nine thousand, four hundred fifty-five".