1944221447295 has 12 divisors (see below), whose sum is σ = 3369983842056. Its totient is φ = 1036918105200.

The previous prime is 1944221447239. The next prime is 1944221447297. The reversal of 1944221447295 is 5927441224491.

1944221447295 is a `hidden beast` number, since 1 + 9 + 4 + 422 + 144 + 72 + 9 + 5 = 666.

It is not a de Polignac number, because 1944221447295 - 2⁷ = 1944221447167 is a prime.

It is a super-2 number, since 2×1944221447295² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944221447297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21602460481 + ... + 21602460570.

It is an arithmetic number, because the mean of its divisors is an integer number (280831986838).

Almost surely, 2^{1944221447295} is an apocalyptic number.

1944221447295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1944221447295 is a deficient number, since it is larger than the sum of its proper divisors (1425762394761).

1944221447295 is a wasteful number, since it uses less digits than its factorization.

1944221447295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43204921062 (or 43204921059 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 1944221447295 in words is "one trillion, nine hundred forty-four billion, two hundred twenty-one million, four hundred forty-seven thousand, two hundred ninety-five".