2721252650 has 12 divisors (see below), whose sum is σ = 5061530022. Its totient is φ = 1088501040.

The previous prime is 2721252649. The next prime is 2721252661. The reversal of 2721252650 is 562521272.

It can be written as a sum of positive squares in 3 ways, for example, as 1763412049 + 957840601 = 41993^2 + 30949^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27212477 + ... + 27212576.

Almost surely, 2^2721252650 is an apocalyptic number.

2721252650 is a deficient number, since it is larger than the sum of its proper divisors (2340277372).

2721252650 is a wasteful number, since it uses less digits than its factorization.

2721252650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54425065 (or 54425060 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2721252650 is about 52165.6270929431. The cubic root of 2721252650 is about 1396.1206635246.

The spelling of 2721252650 in words is "two billion, seven hundred twenty-one million, two hundred fifty-two thousand, six hundred fifty".