490435430979 has 8 divisors (see below), whose sum is σ = 704214977872. Its totient is φ = 301806419040.

The previous prime is 490435430971. The next prime is 490435430999. The reversal of 490435430979 is 979034534094.

It is a happy number.

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

It is not a de Polignac number, because 490435430979 - 2³ = 490435430971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490435430971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6287633692 + ... + 6287633769.

It is an arithmetic number, because the mean of its divisors is an integer number (88026872234).

Almost surely, 2^490435430979 is an apocalyptic number.

490435430979 is a deficient number, since it is larger than the sum of its proper divisors (213779546893).

490435430979 is a wasteful number, since it uses less digits than its factorization.

490435430979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12575267477.

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 490435430979 in words is "four hundred ninety billion, four hundred thirty-five million, four hundred thirty thousand, nine hundred seventy-nine".