17061313643 has 8 divisors (see below), whose sum is σ = 18617028336. Its totient is φ = 15506380000.

The previous prime is 17061313639. The next prime is 17061313657. The reversal of 17061313643 is 34631316071.

It is a happy number.

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 17061313643 - 2² = 17061313639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17061313673) 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, 149108 + ... + 237393.

It is an arithmetic number, because the mean of its divisors is an integer number (2327128542).

Almost surely, 2^17061313643 is an apocalyptic number.

17061313643 is a deficient number, since it is larger than the sum of its proper divisors (1555714693).

17061313643 is a wasteful number, since it uses less digits than its factorization.

17061313643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390525.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 17061313643 in words is "seventeen billion, sixty-one million, three hundred thirteen thousand, six hundred forty-three".