5644411536621 has 64 divisors (see below), whose sum is σ = 8986568048640. Its totient is φ = 3106232064000.

The previous prime is 5644411536563. The next prime is 5644411536623. The reversal of 5644411536621 is 1266351144465.

It is not a de Polignac number, because 5644411536621 - 2⁹ = 5644411536109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644411536623) 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 63 ways as a sum of consecutive naturals, for example, 8877181 + ... + 9491741.

It is an arithmetic number, because the mean of its divisors is an integer number (140415125760).

Almost surely, 2^{5644411536621} is an apocalyptic number.

It is an amenable number.

5644411536621 is a deficient number, since it is larger than the sum of its proper divisors (3342156512019).

5644411536621 is a wasteful number, since it uses less digits than its factorization.

5644411536621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614938.

The product of its digits is 2073600, while the sum is 48.

The spelling of 5644411536621 in words is "five trillion, six hundred forty-four billion, four hundred eleven million, five hundred thirty-six thousand, six hundred twenty-one".