2738172838 has 4 divisors (see below), whose sum is σ = 4107259260. Its totient is φ = 1369086418.

The previous prime is 2738172809. The next prime is 2738172869. The reversal of 2738172838 is 8382718372.

2738172838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2738172791 and 2738172800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684543208 + ... + 684543211.

It is an arithmetic number, because the mean of its divisors is an integer number (1026814815).

Almost surely, 2^2738172838 is an apocalyptic number.

2738172838 is a deficient number, since it is larger than the sum of its proper divisors (1369086422).

2738172838 is a wasteful number, since it uses less digits than its factorization.

2738172838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369086421.

The product of its digits is 903168, while the sum is 49.

The square root of 2738172838 is about 52327.5533347394. The cubic root of 2738172838 is about 1399.0082837195.

The spelling of 2738172838 in words is "two billion, seven hundred thirty-eight million, one hundred seventy-two thousand, eight hundred thirty-eight".