2749612406 has 16 divisors (see below), whose sum is σ = 4145222400. Its totient is φ = 1367889768.

The previous prime is 2749612403. The next prime is 2749612421. The reversal of 2749612406 is 6042169472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749612403) 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 7 ways as a sum of consecutive naturals, for example, 328631 + ... + 336893.

It is an arithmetic number, because the mean of its divisors is an integer number (259076400).

Almost surely, 2^2749612406 is an apocalyptic number.

2749612406 is a deficient number, since it is larger than the sum of its proper divisors (1395609994).

2749612406 is a wasteful number, since it uses less digits than its factorization.

2749612406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2749612406 is about 52436.7467144940. The cubic root of 2749612406 is about 1400.9538408028.

The spelling of 2749612406 in words is "two billion, seven hundred forty-nine million, six hundred twelve thousand, four hundred six".