489751887804 has 24 divisors (see below), whose sum is σ = 1167068329728. Its totient is φ = 159777211440.

The previous prime is 489751887803. The next prime is 489751887827. The reversal of 489751887804 is 408788157984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489751887803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434176642 + ... + 434177769.

It is an arithmetic number, because the mean of its divisors is an integer number (48627847072).

Almost surely, 2^489751887804 is an apocalyptic number.

It is an amenable number.

489751887804 is an abundant number, since it is smaller than the sum of its proper divisors (677316441924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489751887804 is a wasteful number, since it uses less digits than its factorization.

489751887804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868354465 (or 868354463 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 69.

The spelling of 489751887804 in words is "four hundred eighty-nine billion, seven hundred fifty-one million, eight hundred eighty-seven thousand, eight hundred four".