2489394066 has 16 divisors (see below), whose sum is σ = 5028084288. Its totient is φ = 821582000.

The previous prime is 2489394013. The next prime is 2489394091. The reversal of 2489394066 is 6604939842.

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, 2053350 + ... + 2054561.

It is an arithmetic number, because the mean of its divisors is an integer number (314255268).

Almost surely, 2^2489394066 is an apocalyptic number.

2489394066 is an abundant number, since it is smaller than the sum of its proper divisors (2538690222).

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

2489394066 is a wasteful number, since it uses less digits than its factorization.

2489394066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108017.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The square root of 2489394066 is about 49893.8279349260. The cubic root of 2489394066 is about 1355.2868255340.

The spelling of 2489394066 in words is "two billion, four hundred eighty-nine million, three hundred ninety-four thousand, sixty-six".