2108742738 has 8 divisors (see below), whose sum is σ = 4217485488. Its totient is φ = 702914244.

The previous prime is 2108742707. The next prime is 2108742767. The reversal of 2108742738 is 8372478012.

It is a sphenic number, since it is the product of 3 distinct primes.

2108742738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2108742738.

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 in 3 ways as a sum of consecutive naturals, for example, 175728556 + ... + 175728567.

It is an arithmetic number, because the mean of its divisors is an integer number (527185686).

Almost surely, 2^2108742738 is an apocalyptic number.

2108742738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2108742738 is a wasteful number, since it uses less digits than its factorization.

2108742738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351457128.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 2108742738 is about 45921.0489644999. The cubic root of 2108742738 is about 1282.3538105733.

The spelling of 2108742738 in words is "two billion, one hundred eight million, seven hundred forty-two thousand, seven hundred thirty-eight".