2723169856 has 63 divisors (see below), whose sum is σ = 5949736513. Its totient is φ = 1235717120.

The previous prime is 2723169817. The next prime is 2723169887. The reversal of 2723169856 is 6589613272.

The square root of 2723169856 is 52184.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1674446400 + 1048723456 = 40920^2 + 32384^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4591896 + ... + 4592488.

Almost surely, 2^2723169856 is an apocalyptic number.

2723169856 is the 52184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2723169856

2723169856 is an abundant number, since it is smaller than the sum of its proper divisors (3226566657).

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

2723169856 is an frugal number, since it uses more digits than its factorization.

2723169856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 606 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The cubic root of 2723169856 is about 1396.4484565069.

Multiplying 2723169856 by its sum of digits (49), we get a square (133435322944 = 365288²).

The spelling of 2723169856 in words is "two billion, seven hundred twenty-three million, one hundred sixty-nine thousand, eight hundred fifty-six".