2740843521 has 96 divisors (see below), whose sum is σ = 4592860800. Its totient is φ = 1613364480.

The previous prime is 2740843489. The next prime is 2740843529. The reversal of 2740843521 is 1253480472.

It is a happy number.

It is not a de Polignac number, because 2740843521 - 2⁵ = 2740843489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2740843529) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11968635 + ... + 11968863.

It is an arithmetic number, because the mean of its divisors is an integer number (47842300).

Almost surely, 2^2740843521 is an apocalyptic number.

It is an amenable number.

2740843521 is a deficient number, since it is larger than the sum of its proper divisors (1852017279).

2740843521 is a wasteful number, since it uses less digits than its factorization.

2740843521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2740843521 is about 52353.0660133674. The cubic root of 2740843521 is about 1399.4629778750.

The spelling of 2740843521 in words is "two billion, seven hundred forty million, eight hundred forty-three thousand, five hundred twenty-one".