2389663290 has 64 divisors (see below), whose sum is σ = 6575364864. Its totient is φ = 544470528.

The previous prime is 2389663273. The next prime is 2389663313. The reversal of 2389663290 is 923669832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48622 + ... + 84518.

It is an arithmetic number, because the mean of its divisors is an integer number (102740076).

Almost surely, 2^2389663290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2389663290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3287682432).

2389663290 is an abundant number, since it is smaller than the sum of its proper divisors (4185701574).

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

2389663290 is a wasteful number, since it uses less digits than its factorization.

2389663290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36231.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 2389663290 is about 48884.1824110826. The cubic root of 2389663290 is about 1336.9409855939.

The spelling of 2389663290 in words is "two billion, three hundred eighty-nine million, six hundred sixty-three thousand, two hundred ninety".