5646671851539 has 16 divisors (see below), whose sum is σ = 7549104517920. Its totient is φ = 3754347110400.

The previous prime is 5646671851493. The next prime is 5646671851547. The reversal of 5646671851539 is 9351581766465.

It is a happy number.

5646671851539 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5646671851539 - 2¹⁵ = 5646671818771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5646671851539.

It is not an unprimeable number, because it can be changed into a prime (5646671851039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5929227 + ... + 6815355.

It is an arithmetic number, because the mean of its divisors is an integer number (471819032370).

Almost surely, 2^{5646671851539} is an apocalyptic number.

5646671851539 is a deficient number, since it is larger than the sum of its proper divisors (1902432666381).

5646671851539 is a wasteful number, since it uses less digits than its factorization.

5646671851539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891830.

The product of its digits is 163296000, while the sum is 66.

The spelling of 5646671851539 in words is "five trillion, six hundred forty-six billion, six hundred seventy-one million, eight hundred fifty-one thousand, five hundred thirty-nine".