4406521113647 has 4 divisors (see below), whose sum is σ = 4468584791376. Its totient is φ = 4344457435920.

The previous prime is 4406521113629. The next prime is 4406521113653. The reversal of 4406521113647 is 7463111256044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4406521113647 - 2⁸ = 4406521113391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4406521113598 and 4406521113607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406521113677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31031838758 + ... + 31031838899.

It is an arithmetic number, because the mean of its divisors is an integer number (1117146197844).

Almost surely, 2^{4406521113647} is an apocalyptic number.

4406521113647 is a deficient number, since it is larger than the sum of its proper divisors (62063677729).

4406521113647 is an equidigital number, since it uses as much as digits as its factorization.

4406521113647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62063677728.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 4406521113647 in words is "four trillion, four hundred six billion, five hundred twenty-one million, one hundred thirteen thousand, six hundred forty-seven".