2743021684 has 12 divisors (see below), whose sum is σ = 5169540964. Its totient is φ = 1266009984.

The previous prime is 2743021681. The next prime is 2743021747. The reversal of 2743021684 is 4861203472.

It can be written as a sum of positive squares in 2 ways, for example, as 1167725584 + 1575296100 = 34172^2 + 39690^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743021681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26375157 + ... + 26375260.

Almost surely, 2^2743021684 is an apocalyptic number.

It is an amenable number.

2743021684 is a deficient number, since it is larger than the sum of its proper divisors (2426519280).

2743021684 is a wasteful number, since it uses less digits than its factorization.

2743021684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52750434 (or 52750432 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 2743021684 is about 52373.8645127510. The cubic root of 2743021684 is about 1399.8335999508.

The spelling of 2743021684 in words is "two billion, seven hundred forty-three million, twenty-one thousand, six hundred eighty-four".