3645625441 has 8 divisors (see below), whose sum is σ = 3744933984. Its totient is φ = 3546977280.

The previous prime is 3645625439. The next prime is 3645625447. The reversal of 3645625441 is 1445265463.

3645625441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3645625441 - 2¹ = 3645625439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3645625394 and 3645625403.

It is not an unprimeable number, because it can be changed into a prime (3645625447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153895 + ... + 175996.

It is an arithmetic number, because the mean of its divisors is an integer number (468116748).

Almost surely, 2^3645625441 is an apocalyptic number.

It is an amenable number.

3645625441 is a deficient number, since it is larger than the sum of its proper divisors (99308543).

3645625441 is a wasteful number, since it uses less digits than its factorization.

3645625441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330191.

The product of its digits is 345600, while the sum is 40.

The square root of 3645625441 is about 60379.0149058429. The cubic root of 3645625441 is about 1539.0663707663.

The spelling of 3645625441 in words is "three billion, six hundred forty-five million, six hundred twenty-five thousand, four hundred forty-one".