490073191 has 4 divisors (see below), whose sum is σ = 490166584. Its totient is φ = 489979800.

The previous prime is 490073179. The next prime is 490073201. The reversal of 490073191 is 191370094.

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 490073191 - 2⁵ = 490073159 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 (490073491) 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, 38325 + ... + 49486.

It is an arithmetic number, because the mean of its divisors is an integer number (122541646).

Almost surely, 2^490073191 is an apocalyptic number.

490073191 is a deficient number, since it is larger than the sum of its proper divisors (93393).

490073191 is an equidigital number, since it uses as much as digits as its factorization.

490073191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93392.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 490073191 is about 22137.5967756213. The cubic root of 490073191 is about 788.4127673128.

The spelling of 490073191 in words is "four hundred ninety million, seventy-three thousand, one hundred ninety-one".