3913243539 has 8 divisors (see below), whose sum is σ = 5237498112. Its totient is φ = 2598909000.

The previous prime is 3913243519. The next prime is 3913243619. The reversal of 3913243539 is 9353423193.

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

It is not a de Polignac number, because 3913243539 - 2²³ = 3904854931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3913243539.

It is not an unprimeable number, because it can be changed into a prime (3913243519) 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, 2479087 + ... + 2480664.

It is an arithmetic number, because the mean of its divisors is an integer number (654687264).

Almost surely, 2^3913243539 is an apocalyptic number.

3913243539 is a deficient number, since it is larger than the sum of its proper divisors (1324254573).

3913243539 is a wasteful number, since it uses less digits than its factorization.

3913243539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960017.

The product of its digits is 262440, while the sum is 42.

The square root of 3913243539 is about 62555.9232926827. The cubic root of 3913243539 is about 1575.8406247733.

The spelling of 3913243539 in words is "three billion, nine hundred thirteen million, two hundred forty-three thousand, five hundred thirty-nine".