1447238544189 has 8 divisors (see below), whose sum is σ = 1941206191680. Its totient is φ = 959048296416.

The previous prime is 1447238544187. The next prime is 1447238544203. The reversal of 1447238544189 is 9814458327441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1447238544189 - 2¹ = 1447238544187 is a prime.

It is a super-2 number, since 2×1447238544189² (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 (1447238544187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444349344 + ... + 1444350345.

It is an arithmetic number, because the mean of its divisors is an integer number (242650773960).

Almost surely, 2^{1447238544189} is an apocalyptic number.

It is an amenable number.

1447238544189 is a deficient number, since it is larger than the sum of its proper divisors (493967647491).

1447238544189 is a wasteful number, since it uses less digits than its factorization.

1447238544189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888699859.

The product of its digits is 30965760, while the sum is 60.

The spelling of 1447238544189 in words is "one trillion, four hundred forty-seven billion, two hundred thirty-eight million, five hundred forty-four thousand, one hundred eighty-nine".