2738656988 has 6 divisors (see below), whose sum is σ = 4792649736. Its totient is φ = 1369328492.

The previous prime is 2738656967. The next prime is 2738656993. The reversal of 2738656988 is 8896568372.

It is a self number, because there is not a number n which added to its sum of digits gives 2738656988.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 342332120 + ... + 342332127.

It is an arithmetic number, because the mean of its divisors is an integer number (798774956).

Almost surely, 2^2738656988 is an apocalyptic number.

It is an amenable number.

2738656988 is a deficient number, since it is larger than the sum of its proper divisors (2053992748).

2738656988 is a wasteful number, since it uses less digits than its factorization.

2738656988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684664251 (or 684664249 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The square root of 2738656988 is about 52332.1792781459. The cubic root of 2738656988 is about 1399.0907340716.

The spelling of 2738656988 in words is "two billion, seven hundred thirty-eight million, six hundred fifty-six thousand, nine hundred eighty-eight".