2473721856 has 180 divisors, whose sum is σ = 7422316902. Its totient is φ = 821035008.

The previous prime is 2473721827. The next prime is 2473721879. The reversal of 2473721856 is 6581273742.

It can be written as a sum of positive squares in only one way, i.e., 2341011456 + 132710400 = 48384^2 + 11520^2 .

It is a super-2 number, since 2×2473721856² = 12238599641704169472, which contains 22 as substring.

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10616716 + ... + 10616948.

Almost surely, 2^2473721856 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 2473721856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3711158451).

2473721856 is an abundant number, since it is smaller than the sum of its proper divisors (4948595046).

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

2473721856 is an frugal number, since it uses more digits than its factorization.

2473721856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 238 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 2473721856 is about 49736.5243659024. The cubic root of 2473721856 is about 1352.4367250360.

The spelling of 2473721856 in words is "two billion, four hundred seventy-three million, seven hundred twenty-one thousand, eight hundred fifty-six".