2749449537 has 24 divisors (see below), whose sum is σ = 3990729600. Its totient is φ = 1824084288.

The previous prime is 2749449497. The next prime is 2749449583. The reversal of 2749449537 is 7359449472.

2749449537 is a `hidden beast` number, since 27 + 49 + 4 + 49 + 537 = 666.

It is not a de Polignac number, because 2749449537 - 2¹¹ = 2749447489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2749449137) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2247508 + ... + 2248730.

It is an arithmetic number, because the mean of its divisors is an integer number (166280400).

Almost surely, 2^2749449537 is an apocalyptic number.

It is an amenable number.

2749449537 is a deficient number, since it is larger than the sum of its proper divisors (1241280063).

2749449537 is a wasteful number, since it uses less digits than its factorization.

2749449537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2234 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 2749449537 is about 52435.1936870648. The cubic root of 2749449537 is about 1400.9261791518.

The spelling of 2749449537 in words is "two billion, seven hundred forty-nine million, four hundred forty-nine thousand, five hundred thirty-seven".