4013520243 has 8 divisors (see below), whose sum is σ = 5358663888. Its totient is φ = 2672028384.

The previous prime is 4013520223. The next prime is 4013520289. The reversal of 4013520243 is 3420253104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4013520243 - 2¹³ = 4013512051 is a prime.

It is a super-2 number, since 2×4013520243² = 32216689481941558098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013520223) 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, 910380 + ... + 914777.

It is an arithmetic number, because the mean of its divisors is an integer number (669832986).

Almost surely, 2^4013520243 is an apocalyptic number.

4013520243 is a deficient number, since it is larger than the sum of its proper divisors (1345143645).

4013520243 is a wasteful number, since it uses less digits than its factorization.

4013520243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825893.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4013520243 is about 63352.3499406297. The cubic root of 4013520243 is about 1589.1875446563.

Adding to 4013520243 its reverse (3420253104), we get a palindrome (7433773347).

It can be divided in two parts, 40135 and 20243, that added together give a triangular number (60378 = T₃₄₇).

The spelling of 4013520243 in words is "four billion, thirteen million, five hundred twenty thousand, two hundred forty-three".