3581180349 has 4 divisors (see below), whose sum is σ = 4774907136. Its totient is φ = 2387453564.

The previous prime is 3581180347. The next prime is 3581180371. The reversal of 3581180349 is 9430811853.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3581180349 - 2¹ = 3581180347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3581180349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581180341) 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, 596863389 + ... + 596863394.

It is an arithmetic number, because the mean of its divisors is an integer number (1193726784).

Almost surely, 2^3581180349 is an apocalyptic number.

It is an amenable number.

3581180349 is a deficient number, since it is larger than the sum of its proper divisors (1193726787).

3581180349 is a wasteful number, since it uses less digits than its factorization.

3581180349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193726786.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 3581180349 is about 59842.9640726460. The cubic root of 3581180349 is about 1529.9435166469.

The spelling of 3581180349 in words is "three billion, five hundred eighty-one million, one hundred eighty thousand, three hundred forty-nine".