2108742737 has 4 divisors (see below), whose sum is σ = 2134149360. Its totient is φ = 2083336116.

The previous prime is 2108742707. The next prime is 2108742767. The reversal of 2108742737 is 7372478012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2108742707) and next prime (2108742767).

It is a cyclic number.

It is not a de Polignac number, because 2108742737 - 2⁶ = 2108742673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2108742694 and 2108742703.

It is not an unprimeable number, because it can be changed into a prime (2108742707) by changing a digit.

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, 12703187 + ... + 12703352.

It is an arithmetic number, because the mean of its divisors is an integer number (533537340).

Almost surely, 2^2108742737 is an apocalyptic number.

It is an amenable number.

2108742737 is a deficient number, since it is larger than the sum of its proper divisors (25406623).

2108742737 is an equidigital number, since it uses as much as digits as its factorization.

2108742737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25406622.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 2108742737 is about 45921.0489536117. The cubic root of 2108742737 is about 1282.3538103706.

The spelling of 2108742737 in words is "two billion, one hundred eight million, seven hundred forty-two thousand, seven hundred thirty-seven".