3506201645 has 32 divisors (see below), whose sum is σ = 4459691520. Its totient is φ = 2641945600.

The previous prime is 3506201623. The next prime is 3506201653. The reversal of 3506201645 is 5461026053.

3506201645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3506201645 - 2¹² = 3506197549 is a prime.

It is a super-3 number, since 3×3506201645³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2732174 + ... + 2733456.

It is an arithmetic number, because the mean of its divisors is an integer number (139365360).

Almost surely, 2^3506201645 is an apocalyptic number.

It is an amenable number.

3506201645 is a deficient number, since it is larger than the sum of its proper divisors (953489875).

3506201645 is a wasteful number, since it uses less digits than its factorization.

3506201645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 3506201645 is about 59213.1881002873. The cubic root of 3506201645 is about 1519.1907114161.

Adding to 3506201645 its reverse (5461026053), we get a palindrome (8967227698).

The spelling of 3506201645 in words is "three billion, five hundred six million, two hundred one thousand, six hundred forty-five".