42139733009 has 8 divisors (see below), whose sum is σ = 45974379360. Its totient is φ = 38305713600.

The previous prime is 42139732903. The next prime is 42139733021. The reversal of 42139733009 is 90033793124.

42139733009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42139733009 - 2¹² = 42139728913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42139733039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10232 + ... + 290489.

It is an arithmetic number, because the mean of its divisors is an integer number (5746797420).

Almost surely, 2^42139733009 is an apocalyptic number.

It is an amenable number.

42139733009 is a deficient number, since it is larger than the sum of its proper divisors (3834646351).

42139733009 is a wasteful number, since it uses less digits than its factorization.

42139733009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313471.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 42139733009 in words is "forty-two billion, one hundred thirty-nine million, seven hundred thirty-three thousand, nine".