2738663944 has 8 divisors (see below), whose sum is σ = 5134994910. Its totient is φ = 1369331968.

The previous prime is 2738663929. The next prime is 2738663959. The reversal of 2738663944 is 4493668372.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2738663929) and next prime (2738663959).

It can be written as a sum of positive squares in only one way, i.e., 1889640900 + 849023044 = 43470^2 + 29138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2738663891 and 2738663900.

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, 171166489 + ... + 171166504.

Almost surely, 2^2738663944 is an apocalyptic number.

It is an amenable number.

2738663944 is a deficient number, since it is larger than the sum of its proper divisors (2396330966).

2738663944 is a wasteful number, since it uses less digits than its factorization.

2738663944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342332999 (or 342332995 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The square root of 2738663944 is about 52332.2457381680. The cubic root of 2738663944 is about 1399.0919186019.

The spelling of 2738663944 in words is "two billion, seven hundred thirty-eight million, six hundred sixty-three thousand, nine hundred forty-four".