491532235195 has 8 divisors (see below), whose sum is σ = 599508169200. Its totient is φ = 386779463520.

The previous prime is 491532235171. The next prime is 491532235199. The reversal of 491532235195 is 591532235194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 491532235195 - 2¹⁷ = 491532104123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (491532235199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805790245 + ... + 805790854.

It is an arithmetic number, because the mean of its divisors is an integer number (74938521150).

Almost surely, 2^491532235195 is an apocalyptic number.

491532235195 is a deficient number, since it is larger than the sum of its proper divisors (107975934005).

491532235195 is a wasteful number, since it uses less digits than its factorization.

491532235195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611581165.

The product of its digits is 1458000, while the sum is 49.

Subtracting 491532235195 from its reverse (591532235194), we obtain a palindrome (99999999999).

The spelling of 491532235195 in words is "four hundred ninety-one billion, five hundred thirty-two million, two hundred thirty-five thousand, one hundred ninety-five".