2756669143684 has 81 divisors (see below), whose sum is σ = 5241037454373. Its totient is φ = 1268432877696.

The previous prime is 2756669143649. The next prime is 2756669143699. The reversal of 2756669143684 is 4863419666572.

It is a happy number.

The square root of 2756669143684 is 1660322.

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., 2146195700100 + 610473443584 = 1464990^2 + 781328^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2653194037 + ... + 2653195075.

Almost surely, 2^{2756669143684} is an apocalyptic number.

2756669143684 is the 1660322-nd square number.

It is an amenable number.

2756669143684 is a deficient number, since it is larger than the sum of its proper divisors (2484368310689).

2756669143684 is an equidigital number, since it uses as much as digits as its factorization.

2756669143684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210 (or 1105 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 67.

The spelling of 2756669143684 in words is "two trillion, seven hundred fifty-six billion, six hundred sixty-nine million, one hundred forty-three thousand, six hundred eighty-four".