3208042613 has 4 divisors (see below), whose sum is σ = 3396751020. Its totient is φ = 3019334208.

The previous prime is 3208042573. The next prime is 3208042637. The reversal of 3208042613 is 3162408023.

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 1226190289 + 1981852324 = 35017^2 + 44518^2 .

It is a cyclic number.

It is not a de Polignac number, because 3208042613 - 2⁶ = 3208042549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3208045613) 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, 94354178 + ... + 94354211.

It is an arithmetic number, because the mean of its divisors is an integer number (849187755).

Almost surely, 2^3208042613 is an apocalyptic number.

It is an amenable number.

3208042613 is a deficient number, since it is larger than the sum of its proper divisors (188708407).

3208042613 is a wasteful number, since it uses less digits than its factorization.

3208042613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188708406.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3208042613 is about 56639.5852121111. The cubic root of 3208042613 is about 1474.8461182758.

The spelling of 3208042613 in words is "three billion, two hundred eight million, forty-two thousand, six hundred thirteen".