5641344765 has 96 divisors (see below), whose sum is σ = 11771256960. Its totient is φ = 2555739648.

The previous prime is 5641344713. The next prime is 5641344769. The reversal of 5641344765 is 5674431465.

5641344765 is a `hidden beast` number, since 564 + 13 + 4 + 4 + 76 + 5 = 666.

It is not a de Polignac number, because 5641344765 - 2¹¹ = 5641342717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5641344765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641344769) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 743722 + ... + 751268.

It is an arithmetic number, because the mean of its divisors is an integer number (122617260).

Almost surely, 2^5641344765 is an apocalyptic number.

It is an amenable number.

5641344765 is an abundant number, since it is smaller than the sum of its proper divisors (6129912195).

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

5641344765 is a wasteful number, since it uses less digits than its factorization.

5641344765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688 (or 7675 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 5641344765 is about 75108.8860588413. The cubic root of 5641344765 is about 1780.1675519802.

The spelling of 5641344765 in words is "five billion, six hundred forty-one million, three hundred forty-four thousand, seven hundred sixty-five".