3942915613 has 16 divisors (see below), whose sum is σ = 4854949120. Its totient is φ = 3118300416.

The previous prime is 3942915611. The next prime is 3942915623. The reversal of 3942915613 is 3165192493.

It is a happy number.

It is not a de Polignac number, because 3942915613 - 2¹ = 3942915611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3942915613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942915611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232693 + ... + 249061.

It is an arithmetic number, because the mean of its divisors is an integer number (303434320).

Almost surely, 2^3942915613 is an apocalyptic number.

It is an amenable number.

3942915613 is a deficient number, since it is larger than the sum of its proper divisors (912033507).

3942915613 is a wasteful number, since it uses less digits than its factorization.

3942915613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19036.

The product of its digits is 174960, while the sum is 43.

The square root of 3942915613 is about 62792.6397995816. The cubic root of 3942915613 is about 1579.8135245663.

The spelling of 3942915613 in words is "three billion, nine hundred forty-two million, nine hundred fifteen thousand, six hundred thirteen".