4013172613 has 4 divisors (see below), whose sum is σ = 4038734380. Its totient is φ = 3987610848.

The previous prime is 4013172599. The next prime is 4013172629. The reversal of 4013172613 is 3162713104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1745317729 + 2267854884 = 41777^2 + 47622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4013172613 is a prime.

It is a super-2 number, since 2×4013172613² = 32211108843466495538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013172013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12780648 + ... + 12780961.

It is an arithmetic number, because the mean of its divisors is an integer number (1009683595).

Almost surely, 2^4013172613 is an apocalyptic number.

It is an amenable number.

4013172613 is a deficient number, since it is larger than the sum of its proper divisors (25561767).

4013172613 is a wasteful number, since it uses less digits than its factorization.

4013172613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25561766.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 4013172613 is about 63349.6062576556. The cubic root of 4013172613 is about 1589.1416609779.

Adding to 4013172613 its reverse (3162713104), we get a palindrome (7175885717).

The spelling of 4013172613 in words is "four billion, thirteen million, one hundred seventy-two thousand, six hundred thirteen".