5644061222401 has 4 divisors (see below), whose sum is σ = 6450355682752. Its totient is φ = 4837766762052.

The previous prime is 5644061222351. The next prime is 5644061222407. The reversal of 5644061222401 is 1042221604465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5644061222401 - 2¹⁹ = 5644060698113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5644061222407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403147230165 + ... + 403147230178.

It is an arithmetic number, because the mean of its divisors is an integer number (1612588920688).

Almost surely, 2^{5644061222401} is an apocalyptic number.

It is an amenable number.

5644061222401 is a deficient number, since it is larger than the sum of its proper divisors (806294460351).

5644061222401 is an equidigital number, since it uses as much as digits as its factorization.

5644061222401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806294460350.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 5644061222401 its reverse (1042221604465), we get a palindrome (6686282826866).

The spelling of 5644061222401 in words is "five trillion, six hundred forty-four billion, sixty-one million, two hundred twenty-two thousand, four hundred one".