2489303718528 has 128 divisors (see below), whose sum is σ = 7218563451840. Its totient is φ = 753786470400.

The previous prime is 2489303718521. The next prime is 2489303718533. The reversal of 2489303718528 is 8258173039842.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2489303718521) 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, 5619976 + ... + 6046712.

Almost surely, 2^{2489303718528} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489303718528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609281725920).

2489303718528 is an abundant number, since it is smaller than the sum of its proper divisors (4729259733312).

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

2489303718528 is a wasteful number, since it uses less digits than its factorization.

2489303718528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428146 (or 428134 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 2489303718528 in words is "two trillion, four hundred eighty-nine billion, three hundred three million, seven hundred eighteen thousand, five hundred twenty-eight".