4942688509 has 8 divisors (see below), whose sum is σ = 5405610528. Its totient is φ = 4482030960.

The previous prime is 4942688503. The next prime is 4942688551. The reversal of 4942688509 is 9058862494.

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

It is not a de Polignac number, because 4942688509 - 2¹⁵ = 4942655741 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 4942688509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942688503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561547 + ... + 570280.

It is an arithmetic number, because the mean of its divisors is an integer number (675701316).

Almost surely, 2^4942688509 is an apocalyptic number.

It is an amenable number.

4942688509 is a deficient number, since it is larger than the sum of its proper divisors (462922019).

4942688509 is a wasteful number, since it uses less digits than its factorization.

4942688509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132235.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 4942688509 is about 70304.2566918960. The cubic root of 4942688509 is about 1703.4174057569.

The spelling of 4942688509 in words is "four billion, nine hundred forty-two million, six hundred eighty-eight thousand, five hundred nine".