2489795388 has 48 divisors (see below), whose sum is σ = 6463044000. Its totient is φ = 828900864.

The previous prime is 2489795351. The next prime is 2489795443. The reversal of 2489795388 is 8835979842.

2489795388 is a `hidden beast` number, since 2 + 4 + 8 + 97 + 9 + 538 + 8 = 666.

It is a super-3 number, since 3×2489795388³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75628 + ... + 103436.

It is an arithmetic number, because the mean of its divisors is an integer number (134646750).

Almost surely, 2^2489795388 is an apocalyptic number.

It is an amenable number.

2489795388 is an abundant number, since it is smaller than the sum of its proper divisors (3973248612).

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

2489795388 is a wasteful number, since it uses less digits than its factorization.

2489795388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28651 (or 28643 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The square root of 2489795388 is about 49897.8495328206. The cubic root of 2489795388 is about 1355.3596514479.

The spelling of 2489795388 in words is "two billion, four hundred eighty-nine million, seven hundred ninety-five thousand, three hundred eighty-eight".