490293921029 has 16 divisors (see below), whose sum is σ = 540925024320. Its totient is φ = 440673552000.

The previous prime is 490293920953. The next prime is 490293921031. The reversal of 490293921029 is 920129392094.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-490293921029 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 (490293921329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18138134 + ... + 18165144.

It is an arithmetic number, because the mean of its divisors is an integer number (33807814020).

Almost surely, 2^490293921029 is an apocalyptic number.

It is an amenable number.

490293921029 is a deficient number, since it is larger than the sum of its proper divisors (50631103291).

490293921029 is a wasteful number, since it uses less digits than its factorization.

490293921029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45652.

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

The spelling of 490293921029 in words is "four hundred ninety billion, two hundred ninety-three million, nine hundred twenty-one thousand, twenty-nine".