5644635045 has 64 divisors (see below), whose sum is σ = 11337338880. Its totient is φ = 2338288128.

The previous prime is 5644635041. The next prime is 5644635047. The reversal of 5644635045 is 5405364465.

It is not a de Polignac number, because 5644635045 - 2² = 5644635041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5644634988 and 5644635006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644635041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15624 + ... + 107393.

It is an arithmetic number, because the mean of its divisors is an integer number (177145920).

Almost surely, 2^5644635045 is an apocalyptic number.

It is an amenable number.

5644635045 is an abundant number, since it is smaller than the sum of its proper divisors (5692703835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5644635045 is a wasteful number, since it uses less digits than its factorization.

5644635045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123074.

The product of its (nonzero) digits is 864000, while the sum is 42.

The square root of 5644635045 is about 75130.7862663502. The cubic root of 5644635045 is about 1780.5135753470.

The spelling of 5644635045 in words is "five billion, six hundred forty-four million, six hundred thirty-five thousand, forty-five".