497191219 has 4 divisors (see below), whose sum is σ = 568218544. Its totient is φ = 426163896.

The previous prime is 497191193. The next prime is 497191249. The reversal of 497191219 is 912191794.

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 497191219 - 2⁵ = 497191187 is a prime.

It is a super-2 number, since 2×497191219² = 494398216501411922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497191249) 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, 35513652 + ... + 35513665.

It is an arithmetic number, because the mean of its divisors is an integer number (142054636).

Almost surely, 2^497191219 is an apocalyptic number.

497191219 is a deficient number, since it is larger than the sum of its proper divisors (71027325).

497191219 is an equidigital number, since it uses as much as digits as its factorization.

497191219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71027324.

The product of its digits is 40824, while the sum is 43.

The square root of 497191219 is about 22297.7850693740. The cubic root of 497191219 is about 792.2115136492.

The spelling of 497191219 in words is "four hundred ninety-seven million, one hundred ninety-one thousand, two hundred nineteen".