9368744855 has 4 divisors (see below), whose sum is σ = 11242493832. Its totient is φ = 7494995880.

The previous prime is 9368744807. The next prime is 9368744857. The reversal of 9368744855 is 5584478639.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5584478639 = 89 ⋅62746951.

It is not a de Polignac number, because 9368744855 - 2²⁰ = 9367696279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9368744794 and 9368744803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9368744857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936874481 + ... + 936874490.

It is an arithmetic number, because the mean of its divisors is an integer number (2810623458).

Almost surely, 2^9368744855 is an apocalyptic number.

9368744855 is a deficient number, since it is larger than the sum of its proper divisors (1873748977).

9368744855 is a wasteful number, since it uses less digits than its factorization.

9368744855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873748976.

The product of its digits is 29030400, while the sum is 59.

The square root of 9368744855 is about 96792.2768354996. The cubic root of 9368744855 is about 2108.1125994839.

The spelling of 9368744855 in words is "nine billion, three hundred sixty-eight million, seven hundred forty-four thousand, eight hundred fifty-five".