3934435613 has 4 divisors (see below), whose sum is σ = 4165873020. Its totient is φ = 3702998208.

The previous prime is 3934435601. The next prime is 3934435627. The reversal of 3934435613 is 3165344393.

3934435613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3351599449 + 582836164 = 57893^2 + 24142^2 .

It is not a de Polignac number, because 3934435613 - 2¹⁰ = 3934434589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934435633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115718678 + ... + 115718711.

It is an arithmetic number, because the mean of its divisors is an integer number (1041468255).

Almost surely, 2^3934435613 is an apocalyptic number.

It is an amenable number.

3934435613 is a deficient number, since it is larger than the sum of its proper divisors (231437407).

3934435613 is a wasteful number, since it uses less digits than its factorization.

3934435613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231437406.

The product of its digits is 349920, while the sum is 41.

The square root of 3934435613 is about 62725.0796173269. The cubic root of 3934435613 is about 1578.6801471672.

The spelling of 3934435613 in words is "three billion, nine hundred thirty-four million, four hundred thirty-five thousand, six hundred thirteen".