5621181438047 has 16 divisors (see below), whose sum is σ = 6443870246400. Its totient is φ = 4803419063520.

The previous prime is 5621181438031. The next prime is 5621181438083. The reversal of 5621181438047 is 7408341811265.

5621181438047 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 5621181438047 - 2⁴ = 5621181438031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5621181437986 and 5621181438004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621181438247) 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, 5871854 + ... + 6761732.

It is an arithmetic number, because the mean of its divisors is an integer number (402741890400).

Almost surely, 2^{5621181438047} is an apocalyptic number.

5621181438047 is a deficient number, since it is larger than the sum of its proper divisors (822688808353).

5621181438047 is a wasteful number, since it uses less digits than its factorization.

5621181438047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892646.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 5621181438047 in words is "five trillion, six hundred twenty-one billion, one hundred eighty-one million, four hundred thirty-eight thousand, forty-seven".