490715997409 has 8 divisors (see below), whose sum is σ = 535877868960. Its totient is φ = 445646013600.

The previous prime is 490715997397. The next prime is 490715997433. The reversal of 490715997409 is 904799517094.

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

It is a cyclic number.

It is not a de Polignac number, because 490715997409 - 2⁷ = 490715997281 is a prime.

It is a super-2 number, since 2×490715997409² (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 (490715997449) 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, 22960764 + ... + 22982125.

It is an arithmetic number, because the mean of its divisors is an integer number (66984733620).

Almost surely, 2^490715997409 is an apocalyptic number.

It is an amenable number.

490715997409 is a deficient number, since it is larger than the sum of its proper divisors (45161871551).

490715997409 is a wasteful number, since it uses less digits than its factorization.

490715997409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45943871.

The product of its (nonzero) digits is 25719120, while the sum is 64.

The spelling of 490715997409 in words is "four hundred ninety billion, seven hundred fifteen million, nine hundred ninety-seven thousand, four hundred nine".