490847039999 has 4 divisors (see below), whose sum is σ = 494097682800. Its totient is φ = 487596397200.

The previous prime is 490847039993. The next prime is 490847040023. The reversal of 490847039999 is 999930748094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999930748094 = 2 ⋅499965374047.

It is a cyclic number.

It is not a de Polignac number, because 490847039999 - 2²⁸ = 490578604543 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 (490847039993) 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, 1625321174 + ... + 1625321475.

It is an arithmetic number, because the mean of its divisors is an integer number (123524420700).

Almost surely, 2^490847039999 is an apocalyptic number.

490847039999 is a deficient number, since it is larger than the sum of its proper divisors (3250642801).

490847039999 is a wasteful number, since it uses less digits than its factorization.

490847039999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250642800.

The product of its (nonzero) digits is 158723712, while the sum is 71.

The spelling of 490847039999 in words is "four hundred ninety billion, eight hundred forty-seven million, thirty-nine thousand, nine hundred ninety-nine".