2013505943 has 8 divisors (see below), whose sum is σ = 2146310400. Its totient is φ = 1883384568.

The previous prime is 2013505937. The next prime is 2013505957. The reversal of 2013505943 is 3495053102.

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 2013505943 - 2¹⁴ = 2013489559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013505913) 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, 669221 + ... + 672222.

It is an arithmetic number, because the mean of its divisors is an integer number (268288800).

Almost surely, 2^2013505943 is an apocalyptic number.

2013505943 is a deficient number, since it is larger than the sum of its proper divisors (132804457).

2013505943 is a wasteful number, since it uses less digits than its factorization.

2013505943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341541.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2013505943 is about 44872.1065139581. The cubic root of 2013505943 is about 1262.7507600847.

The spelling of 2013505943 in words is "two billion, thirteen million, five hundred five thousand, nine hundred forty-three".