2644422145201 has 16 divisors (see below), whose sum is σ = 2670281466048. Its totient is φ = 2618724556800.

The previous prime is 2644422145199. The next prime is 2644422145237. The reversal of 2644422145201 is 1025412244462.

It is a cyclic number.

It is not a de Polignac number, because 2644422145201 - 2¹ = 2644422145199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2644422145801) 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, 32493681 + ... + 32574961.

It is an arithmetic number, because the mean of its divisors is an integer number (166892591628).

Almost surely, 2^{2644422145201} is an apocalyptic number.

It is an amenable number.

2644422145201 is a deficient number, since it is larger than the sum of its proper divisors (25859320847).

2644422145201 is a wasteful number, since it uses less digits than its factorization.

2644422145201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82272.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 2644422145201 its reverse (1025412244462), we get a palindrome (3669834389663).

The spelling of 2644422145201 in words is "two trillion, six hundred forty-four billion, four hundred twenty-two million, one hundred forty-five thousand, two hundred one".