2789265321 has 24 divisors (see below), whose sum is σ = 4201248480. Its totient is φ = 1828960560.

The previous prime is 2789265319. The next prime is 2789265329. The reversal of 2789265321 is 1235629872.

2789265321 is a `hidden beast` number, since 27 + 8 + 92 + 6 + 532 + 1 = 666.

It is not a de Polignac number, because 2789265321 - 2¹ = 2789265319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2789265329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86586 + ... + 114348.

It is an arithmetic number, because the mean of its divisors is an integer number (175052020).

Almost surely, 2^2789265321 is an apocalyptic number.

It is an amenable number.

2789265321 is a deficient number, since it is larger than the sum of its proper divisors (1411983159).

2789265321 is an equidigital number, since it uses as much as digits as its factorization.

2789265321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27894 (or 27827 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2789265321 is about 52813.4956332186. The cubic root of 2789265321 is about 1407.6562375373.

The spelling of 2789265321 in words is "two billion, seven hundred eighty-nine million, two hundred sixty-five thousand, three hundred twenty-one".