2489811764 has 12 divisors (see below), whose sum is σ = 4753277088. Its totient is φ = 1131732600.

The previous prime is 2489811761. The next prime is 2489811769. The reversal of 2489811764 is 4671189842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489811761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28293272 + ... + 28293359.

It is an arithmetic number, because the mean of its divisors is an integer number (396106424).

Almost surely, 2^2489811764 is an apocalyptic number.

It is an amenable number.

2489811764 is a deficient number, since it is larger than the sum of its proper divisors (2263465324).

2489811764 is a wasteful number, since it uses less digits than its factorization.

2489811764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56586646 (or 56586644 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 2489811764 is about 49898.0136277989. The cubic root of 2489811764 is about 1355.3626229533.

The spelling of 2489811764 in words is "two billion, four hundred eighty-nine million, eight hundred eleven thousand, seven hundred sixty-four".