2001743245 has 8 divisors (see below), whose sum is σ = 2506530816. Its totient is φ = 1531768656.

The previous prime is 2001743239. The next prime is 2001743281. The reversal of 2001743245 is 5423471002.

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 2001743245 - 2⁹ = 2001742733 is a prime.

It is a Duffinian number.

It is a congruent 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, 8703117 + ... + 8703346.

It is an arithmetic number, because the mean of its divisors is an integer number (313316352).

Almost surely, 2^2001743245 is an apocalyptic number.

It is an amenable number.

2001743245 is a deficient number, since it is larger than the sum of its proper divisors (504787571).

2001743245 is a wasteful number, since it uses less digits than its factorization.

2001743245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17406491.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2001743245 is about 44740.8453764566. The cubic root of 2001743245 is about 1260.2870021032.

The spelling of 2001743245 in words is "two billion, one million, seven hundred forty-three thousand, two hundred forty-five".