5646440613207 has 16 divisors (see below), whose sum is σ = 7553320810112. Its totient is φ = 3751927763040.

The previous prime is 5646440613139. The next prime is 5646440613269. The reversal of 5646440613207 is 7023160446465.

It is not a de Polignac number, because 5646440613207 - 2⁸ = 5646440612951 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646440613277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47299128 + ... + 47418354.

It is an arithmetic number, because the mean of its divisors is an integer number (472082550632).

Almost surely, 2^{5646440613207} is an apocalyptic number.

5646440613207 is a deficient number, since it is larger than the sum of its proper divisors (1906880196905).

5646440613207 is a wasteful number, since it uses less digits than its factorization.

5646440613207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170958.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 5646440613207 in words is "five trillion, six hundred forty-six billion, four hundred forty million, six hundred thirteen thousand, two hundred seven".