9091868053 has 4 divisors (see below), whose sum is σ = 9487166688. Its totient is φ = 8696569420.

The previous prime is 9091868033. The next prime is 9091868083. The reversal of 9091868053 is 3508681909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3508681909 = 823 ⋅4263283.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9091868053 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9091867988 and 9091868006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9091868033) 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 3 ways as a sum of consecutive naturals, for example, 197649283 + ... + 197649328.

It is an arithmetic number, because the mean of its divisors is an integer number (2371791672).

Almost surely, 2^9091868053 is an apocalyptic number.

It is an amenable number.

9091868053 is a deficient number, since it is larger than the sum of its proper divisors (395298635).

9091868053 is a wasteful number, since it uses less digits than its factorization.

9091868053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395298634.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 9091868053 is about 95351.2876315784. The cubic root of 9091868053 is about 2087.1374050699.

The spelling of 9091868053 in words is "nine billion, ninety-one million, eight hundred sixty-eight thousand, fifty-three".