42722989017 has 8 divisors (see below), whose sum is σ = 60314808096. Its totient is φ = 26806581312.

The previous prime is 42722989007. The next prime is 42722989021. The reversal of 42722989017 is 71098922724.

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

It is not a de Polignac number, because 42722989017 - 2²⁶ = 42655880153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 837705667 = 42722989017 / (4 + 2 + 7 + 2 + 2 + 9 + 8 + 9 + 0 + 1 + 7).

It is not an unprimeable number, because it can be changed into a prime (42722989007) 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, 418852783 + ... + 418852884.

It is an arithmetic number, because the mean of its divisors is an integer number (7539351012).

Almost surely, 2^42722989017 is an apocalyptic number.

It is an amenable number.

42722989017 is a deficient number, since it is larger than the sum of its proper divisors (17591819079).

42722989017 is a wasteful number, since it uses less digits than its factorization.

42722989017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837705687.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 42722989017 in words is "forty-two billion, seven hundred twenty-two million, nine hundred eighty-nine thousand, seventeen".