91141648043 has 4 divisors (see below), whose sum is σ = 92081252760. Its totient is φ = 90202043328.

The previous prime is 91141648033. The next prime is 91141648049. The reversal of 91141648043 is 34084614119.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91141648043 - 2³⁰ = 90067906219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91141648049) 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, 469802213 + ... + 469802406.

It is an arithmetic number, because the mean of its divisors is an integer number (23020313190).

Almost surely, 2^91141648043 is an apocalyptic number.

91141648043 is a deficient number, since it is larger than the sum of its proper divisors (939604717).

91141648043 is an equidigital number, since it uses as much as digits as its factorization.

91141648043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939604716.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 91141648043 in words is "ninety-one billion, one hundred forty-one million, six hundred forty-eight thousand, forty-three".