2749646406272 has 64 divisors (see below), whose sum is σ = 5495301765000. Its totient is φ = 1370440101888.

The previous prime is 2749646406217. The next prime is 2749646406341. The reversal of 2749646406272 is 2726046469472.

It can be written as a sum of positive squares in 4 ways, for example, as 2506344924736 + 243301481536 = 1583144^2 + 493256^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53985554 + ... + 54036462.

Almost surely, 2^{2749646406272} is an apocalyptic number.

It is an amenable number.

2749646406272 is a deficient number, since it is larger than the sum of its proper divisors (2745655358728).

2749646406272 is an equidigital number, since it uses as much as digits as its factorization.

2749646406272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52261 (or 52249 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 2749646406272 in words is "two trillion, seven hundred forty-nine billion, six hundred forty-six million, four hundred six thousand, two hundred seventy-two".