490545931219 has 4 divisors (see below), whose sum is σ = 490598818144. Its totient is φ = 490493044296.

The previous prime is 490545931181. The next prime is 490545931237. The reversal of 490545931219 is 912139545094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490545931219 is a prime.

It is a super-2 number, since 2×490545931219² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490545931019) 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, 26429547 + ... + 26448100.

It is an arithmetic number, because the mean of its divisors is an integer number (122649704536).

Almost surely, 2^490545931219 is an apocalyptic number.

490545931219 is a deficient number, since it is larger than the sum of its proper divisors (52886925).

490545931219 is an equidigital number, since it uses as much as digits as its factorization.

490545931219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52886924.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 490545931219 in words is "four hundred ninety billion, five hundred forty-five million, nine hundred thirty-one thousand, two hundred nineteen".