3621436105 has 32 divisors (see below), whose sum is σ = 5055747840. Its totient is φ = 2438795520.

The previous prime is 3621436073. The next prime is 3621436109. The reversal of 3621436105 is 5016341263.

It is not a de Polignac number, because 3621436105 - 2⁵ = 3621436073 is a prime.

It is a super-2 number, since 2×3621436105² = 26229598925195142050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3621436109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2533531 + ... + 2534959.

It is an arithmetic number, because the mean of its divisors is an integer number (157992120).

Almost surely, 2^3621436105 is an apocalyptic number.

3621436105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3621436105 is a deficient number, since it is larger than the sum of its proper divisors (1434311735).

3621436105 is a wasteful number, since it uses less digits than its factorization.

3621436105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3621436105 is about 60178.3690789307. The cubic root of 3621436105 is about 1535.6548264146.

Adding to 3621436105 its reverse (5016341263), we get a palindrome (8637777368).

The spelling of 3621436105 in words is "three billion, six hundred twenty-one million, four hundred thirty-six thousand, one hundred five".