2489509389976 has 32 divisors (see below), whose sum is σ = 5342082624000. Its totient is φ = 1065448666656.

The previous prime is 2489509389967. The next prime is 2489509389977. The reversal of 2489509389976 is 6799839059842.

It is a junction number, because it is equal to n+sod(n) for n = 2489509389896 and 2489509389905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489509389977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30874566 + ... + 30955093.

It is an arithmetic number, because the mean of its divisors is an integer number (166940082000).

Almost surely, 2^{2489509389976} is an apocalyptic number.

It is an amenable number.

2489509389976 is an abundant number, since it is smaller than the sum of its proper divisors (2852573234024).

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

2489509389976 is a wasteful number, since it uses less digits than its factorization.

2489509389976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61830391 (or 61830387 counting only the distinct ones).

The product of its (nonzero) digits is 2116316160, while the sum is 79.

The spelling of 2489509389976 in words is "two trillion, four hundred eighty-nine billion, five hundred nine million, three hundred eighty-nine thousand, nine hundred seventy-six".