3661413311 has 4 divisors (see below), whose sum is σ = 3666506400. Its totient is φ = 3656320224.

The previous prime is 3661413307. The next prime is 3661413341. The reversal of 3661413311 is 1133141663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1133141663 = 107 ⋅10590109.

It is a cyclic number.

It is not a de Polignac number, because 3661413311 - 2² = 3661413307 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 (3661413341) 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, 2545466 + ... + 2546903.

It is an arithmetic number, because the mean of its divisors is an integer number (916626600).

Almost surely, 2^3661413311 is an apocalyptic number.

3661413311 is a deficient number, since it is larger than the sum of its proper divisors (5093089).

3661413311 is an equidigital number, since it uses as much as digits as its factorization.

3661413311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093088.

The product of its digits is 3888, while the sum is 29.

The square root of 3661413311 is about 60509.6133767189. The cubic root of 3661413311 is about 1541.2848824443.

Adding to 3661413311 its reverse (1133141663), we get a palindrome (4794554974).

The spelling of 3661413311 in words is "three billion, six hundred sixty-one million, four hundred thirteen thousand, three hundred eleven".