2170717345 has 8 divisors (see below), whose sum is σ = 2718115776. Its totient is φ = 1661070576.

The previous prime is 2170717319. The next prime is 2170717379. The reversal of 2170717345 is 5437170712.

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 2170717345 - 2¹⁹ = 2170193057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9437787 + ... + 9438016.

It is an arithmetic number, because the mean of its divisors is an integer number (339764472).

Almost surely, 2^2170717345 is an apocalyptic number.

It is an amenable number.

2170717345 is a deficient number, since it is larger than the sum of its proper divisors (547398431).

2170717345 is a wasteful number, since it uses less digits than its factorization.

2170717345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18875831.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 2170717345 is about 46590.9577600633. The cubic root of 2170717345 is about 1294.7952340432.

The spelling of 2170717345 in words is "two billion, one hundred seventy million, seven hundred seventeen thousand, three hundred forty-five".