3905667413 has 4 divisors (see below), whose sum is σ = 3927245868. Its totient is φ = 3884088960.

The previous prime is 3905667407. The next prime is 3905667433. The reversal of 3905667413 is 3147665093.

It is a happy number.

3905667413 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 1547399569 + 2358267844 = 39337^2 + 48562^2 .

It is a cyclic number.

It is not a de Polignac number, because 3905667413 - 2¹⁶ = 3905601877 is a prime.

It is a super-2 number, since 2×3905667413² = 30508475881940225138, which contains 22 as substring.

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 (3905667433) 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, 10788956 + ... + 10789317.

It is an arithmetic number, because the mean of its divisors is an integer number (981811467).

Almost surely, 2^3905667413 is an apocalyptic number.

It is an amenable number.

3905667413 is a deficient number, since it is larger than the sum of its proper divisors (21578455).

3905667413 is a wasteful number, since it uses less digits than its factorization.

3905667413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21578454.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 3905667413 is about 62495.3391302103. The cubic root of 3905667413 is about 1574.8230136893.

The spelling of 3905667413 in words is "three billion, nine hundred five million, six hundred sixty-seven thousand, four hundred thirteen".