2489621446688 has 48 divisors (see below), whose sum is σ = 5073340253184. Its totient is φ = 1201372922880.

The previous prime is 2489621446673. The next prime is 2489621446693. The reversal of 2489621446688 is 8866441269842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3055145 + ... + 3783272.

It is an arithmetic number, because the mean of its divisors is an integer number (105694588608).

Almost surely, 2^{2489621446688} is an apocalyptic number.

It is an amenable number.

2489621446688 is an abundant number, since it is smaller than the sum of its proper divisors (2583718806496).

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

2489621446688 is a wasteful number, since it uses less digits than its factorization.

2489621446688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838825 (or 6838817 counting only the distinct ones).

The product of its digits is 254803968, while the sum is 68.

The spelling of 2489621446688 in words is "two trillion, four hundred eighty-nine billion, six hundred twenty-one million, four hundred forty-six thousand, six hundred eighty-eight".