490026391169 has 8 divisors (see below), whose sum is σ = 567119151360. Its totient is φ = 414705878496.

The previous prime is 490026391087. The next prime is 490026391181. The reversal of 490026391169 is 961193620094.

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

It is not a de Polignac number, because 490026391169 - 2¹² = 490026387073 is a prime.

It is a super-2 number, since 2×490026391169² (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 (490026391769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443061284 + ... + 443062389.

It is an arithmetic number, because the mean of its divisors is an integer number (70889893920).

Almost surely, 2^490026391169 is an apocalyptic number.

It is an amenable number.

490026391169 is a deficient number, since it is larger than the sum of its proper divisors (77092760191).

490026391169 is an equidigital number, since it uses as much as digits as its factorization.

490026391169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886123759.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 490026391169 in words is "four hundred ninety billion, twenty-six million, three hundred ninety-one thousand, one hundred sixty-nine".