2738730509 has 8 divisors (see below), whose sum is σ = 2884452480. Its totient is φ = 2593166400.

The previous prime is 2738730503. The next prime is 2738730521. The reversal of 2738730509 is 9050378372.

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

It is a cyclic number.

It is not a de Polignac number, because 2738730509 - 2¹² = 2738726413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2738730509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2738730503) 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 7 ways as a sum of consecutive naturals, for example, 2972 + ... + 74069.

It is an arithmetic number, because the mean of its divisors is an integer number (360556560).

Almost surely, 2^2738730509 is an apocalyptic number.

It is an amenable number.

2738730509 is a deficient number, since it is larger than the sum of its proper divisors (145721971).

2738730509 is a wasteful number, since it uses less digits than its factorization.

2738730509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78931.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 2738730509 is about 52332.8817188582. The cubic root of 2738730509 is about 1399.1032537883.

The spelling of 2738730509 in words is "two billion, seven hundred thirty-eight million, seven hundred thirty thousand, five hundred nine".