2013949242 has 12 divisors (see below), whose sum is σ = 4363556730. Its totient is φ = 671316408.

The previous prime is 2013949219. The next prime is 2013949243. The reversal of 2013949242 is 2429493102.

2013949242 is a `hidden beast` number, since 20 + 1 + 394 + 9 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1956204441 + 57744801 = 44229^2 + 7599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2013949197 and 2013949206.

It is not an unprimeable number, because it can be changed into a prime (2013949243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55943017 + ... + 55943052.

Almost surely, 2^2013949242 is an apocalyptic number.

2013949242 is an abundant number, since it is smaller than the sum of its proper divisors (2349607488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013949242 is a wasteful number, since it uses less digits than its factorization.

2013949242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111886077 (or 111886074 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2013949242 is about 44877.0458252323. The cubic root of 2013949242 is about 1262.8434235102.

The spelling of 2013949242 in words is "two billion, thirteen million, nine hundred forty-nine thousand, two hundred forty-two".