2689223712 has 192 divisors, whose sum is σ = 8388624384. Its totient is φ = 738155520.

The previous prime is 2689223711. The next prime is 2689223791. The reversal of 2689223712 is 2173229862.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2689223711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3478558 + ... + 3479330.

It is an arithmetic number, because the mean of its divisors is an integer number (43690752).

Almost surely, 2^2689223712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2689223712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4194312192).

2689223712 is an abundant number, since it is smaller than the sum of its proper divisors (5699400672).

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

2689223712 is a wasteful number, since it uses less digits than its factorization.

2689223712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 983 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 2689223712 is about 51857.7256732302. The cubic root of 2689223712 is about 1390.6216207616.

The spelling of 2689223712 in words is "two billion, six hundred eighty-nine million, two hundred twenty-three thousand, seven hundred twelve".