5645147756423 has 64 divisors (see below), whose sum is σ = 6934257131520. Its totient is φ = 4491461145600.

The previous prime is 5645147756389. The next prime is 5645147756449. The reversal of 5645147756423 is 3246577415465.

It is a cyclic number.

It is not a de Polignac number, because 5645147756423 - 2¹⁰ = 5645147755399 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 (5645147756483) 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, 1844215313 + ... + 1844218373.

It is an arithmetic number, because the mean of its divisors is an integer number (108347767680).

Almost surely, 2^{5645147756423} is an apocalyptic number.

5645147756423 is a deficient number, since it is larger than the sum of its proper divisors (1289109375097).

5645147756423 is a wasteful number, since it uses less digits than its factorization.

5645147756423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608.

The product of its digits is 84672000, while the sum is 59.

The spelling of 5645147756423 in words is "five trillion, six hundred forty-five billion, one hundred forty-seven million, seven hundred fifty-six thousand, four hundred twenty-three".