3645503413 has 4 divisors (see below), whose sum is σ = 3654162988. Its totient is φ = 3636843840.

The previous prime is 3645503401. The next prime is 3645503417. The reversal of 3645503413 is 3143055463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17489124 + 3628014289 = 4182^2 + 60233^2 .

It is a cyclic number.

It is not a de Polignac number, because 3645503413 - 2⁹ = 3645502901 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 (3645503417) 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, 4329156 + ... + 4329997.

It is an arithmetic number, because the mean of its divisors is an integer number (913540747).

Almost surely, 2^3645503413 is an apocalyptic number.

It is an amenable number.

3645503413 is a deficient number, since it is larger than the sum of its proper divisors (8659575).

3645503413 is an equidigital number, since it uses as much as digits as its factorization.

3645503413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8659574.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 3645503413 is about 60378.0043807345. The cubic root of 3645503413 is about 1539.0491984695.

Adding to 3645503413 its reverse (3143055463), we get a palindrome (6788558876).

The spelling of 3645503413 in words is "three billion, six hundred forty-five million, five hundred three thousand, four hundred thirteen".