3549866413 has 8 divisors (see below), whose sum is σ = 3569144600. Its totient is φ = 3530640960.

The previous prime is 3549866401. The next prime is 3549866461. The reversal of 3549866413 is 3146689453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 608214244 + 2941652169 = 24662^2 + 54237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3549866413 - 2⁵ = 3549866381 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 (3549866113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125743 + ... + 151363.

It is an arithmetic number, because the mean of its divisors is an integer number (446143075).

Almost surely, 2^3549866413 is an apocalyptic number.

It is an amenable number.

3549866413 is a deficient number, since it is larger than the sum of its proper divisors (19278187).

3549866413 is a wasteful number, since it uses less digits than its factorization.

3549866413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26367.

The product of its digits is 1866240, while the sum is 49.

The square root of 3549866413 is about 59580.7553913174. The cubic root of 3549866413 is about 1525.4711668553.

The spelling of 3549866413 in words is "three billion, five hundred forty-nine million, eight hundred sixty-six thousand, four hundred thirteen".