3645041103 has 12 divisors (see below), whose sum is σ = 5743701288. Its totient is φ = 2209115760.

The previous prime is 3645041089. The next prime is 3645041131. The reversal of 3645041103 is 3011405463.

3645041103 is a `hidden beast` number, since 3 + 645 + 0 + 4 + 1 + 10 + 3 = 666.

It is not a de Polignac number, because 3645041103 - 2¹⁰ = 3645040079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645041003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18409200 + ... + 18409397.

It is an arithmetic number, because the mean of its divisors is an integer number (478641774).

Almost surely, 2^3645041103 is an apocalyptic number.

3645041103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3645041103 is a deficient number, since it is larger than the sum of its proper divisors (2098660185).

3645041103 is a wasteful number, since it uses less digits than its factorization.

3645041103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36818614 (or 36818611 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3645041103 is about 60374.1757956165. The cubic root of 3645041103 is about 1538.9841367726.

Adding to 3645041103 its reverse (3011405463), we get a palindrome (6656446566).

The spelling of 3645041103 in words is "three billion, six hundred forty-five million, forty-one thousand, one hundred three".