500240981191 has 4 divisors (see below), whose sum is σ = 571703978512. Its totient is φ = 428777983872.

The previous prime is 500240981189. The next prime is 500240981197. The reversal of 500240981191 is 191189042005.

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

It is not a de Polignac number, because 500240981191 - 2¹ = 500240981189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500240981197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35731498650 + ... + 35731498663.

It is an arithmetic number, because the mean of its divisors is an integer number (142925994628).

Almost surely, 2^500240981191 is an apocalyptic number.

500240981191 is a deficient number, since it is larger than the sum of its proper divisors (71462997321).

500240981191 is an equidigital number, since it uses as much as digits as its factorization.

500240981191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71462997320.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 500240981191 in words is "five hundred billion, two hundred forty million, nine hundred eighty-one thousand, one hundred ninety-one".