3581620113 has 16 divisors (see below), whose sum is σ = 4891335680. Its totient is φ = 2329934544.

The previous prime is 3581620103. The next prime is 3581620117. The reversal of 3581620113 is 3110261853.

It is not a de Polignac number, because 3581620113 - 2²⁰ = 3580571537 is a prime.

It is a super-2 number, since 2×3581620113² = 25656005267692265538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3581620117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124068 + ... + 150186.

It is an arithmetic number, because the mean of its divisors is an integer number (305708480).

Almost surely, 2^3581620113 is an apocalyptic number.

It is an amenable number.

3581620113 is a deficient number, since it is larger than the sum of its proper divisors (1309715567).

3581620113 is a wasteful number, since it uses less digits than its factorization.

3581620113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27228.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3581620113 is about 59846.6382765147. The cubic root of 3581620113 is about 1530.0061390672.

Adding to 3581620113 its reverse (3110261853), we get a palindrome (6691881966).

The spelling of 3581620113 in words is "three billion, five hundred eighty-one million, six hundred twenty thousand, one hundred thirteen".