17342020645 has 8 divisors (see below), whose sum is σ = 20935039104. Its totient is φ = 13790540304.

The previous prime is 17342020547. The next prime is 17342020649. The reversal of 17342020645 is 54602024371.

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 17342020645 - 2¹³ = 17342012453 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 17342020645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17342020649) 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, 10383609 + ... + 10385278.

It is an arithmetic number, because the mean of its divisors is an integer number (2616879888).

Almost surely, 2^17342020645 is an apocalyptic number.

It is an amenable number.

17342020645 is a deficient number, since it is larger than the sum of its proper divisors (3593018459).

17342020645 is a wasteful number, since it uses less digits than its factorization.

17342020645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20769059.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 17342020645 in words is "seventeen billion, three hundred forty-two million, twenty thousand, six hundred forty-five".