42722919509 has 8 divisors (see below), whose sum is σ = 46522236000. Its totient is φ = 39078677232.

The previous prime is 42722919479. The next prime is 42722919517. The reversal of 42722919509 is 90591922724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42722919509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42722919539) 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, 38767979 + ... + 38769080.

It is an arithmetic number, because the mean of its divisors is an integer number (5815279500).

Almost surely, 2^42722919509 is an apocalyptic number.

It is an amenable number.

42722919509 is a deficient number, since it is larger than the sum of its proper divisors (3799316491).

42722919509 is a wasteful number, since it uses less digits than its factorization.

42722919509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77537107.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 42722919509 in words is "forty-two billion, seven hundred twenty-two million, nine hundred nineteen thousand, five hundred nine".