2738672656 has 10 divisors (see below), whose sum is σ = 5306178302. Its totient is φ = 1369336320.

The previous prime is 2738672641. The next prime is 2738672687. The reversal of 2738672656 is 6562768372.

It can be written as a sum of positive squares in only one way, i.e., 2428912656 + 309760000 = 49284^2 + 17600^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 85583505 + ... + 85583536.

Almost surely, 2^2738672656 is an apocalyptic number.

It is an amenable number.

2738672656 is a deficient number, since it is larger than the sum of its proper divisors (2567505646).

2738672656 is a wasteful number, since it uses less digits than its factorization.

2738672656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171167049 (or 171167043 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The square root of 2738672656 is about 52332.3289755004. The cubic root of 2738672656 is about 1399.0934021569.

The spelling of 2738672656 in words is "two billion, seven hundred thirty-eight million, six hundred seventy-two thousand, six hundred fifty-six".