2753728650 has 60 divisors (see below), whose sum is σ = 7651297302. Its totient is φ = 734326560.

The previous prime is 2753728559. The next prime is 2753728687. The reversal of 2753728650 is 568273572.

2753728650 is a `hidden beast` number, since 275 + 372 + 8 + 6 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1510954641 + 1242774009 = 38871^2 + 35253^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2753728596 and 2753728605.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 335917 + ... + 344016.

Almost surely, 2^2753728650 is an apocalyptic number.

2753728650 is an abundant number, since it is smaller than the sum of its proper divisors (4897568652).

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

2753728650 is a wasteful number, since it uses less digits than its factorization.

2753728650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679957 (or 679943 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 2753728650 is about 52475.9816487505. The cubic root of 2753728650 is about 1401.6525808144.

The spelling of 2753728650 in words is "two billion, seven hundred fifty-three million, seven hundred twenty-eight thousand, six hundred fifty".