1442484421847 has 32 divisors (see below), whose sum is σ = 1672170946560. Its totient is φ = 1218824218080.

The previous prime is 1442484421843. The next prime is 1442484421883. The reversal of 1442484421847 is 7481244842441.

It is not a de Polignac number, because 1442484421847 - 2² = 1442484421843 is a prime.

It is a super-2 number, since 2×1442484421847² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442484421843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359989118 + ... + 359993124.

It is an arithmetic number, because the mean of its divisors is an integer number (52255342080).

Almost surely, 2^{1442484421847} is an apocalyptic number.

1442484421847 is a deficient number, since it is larger than the sum of its proper divisors (229686524713).

1442484421847 is a wasteful number, since it uses less digits than its factorization.

1442484421847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its digits is 7340032, while the sum is 53.

The spelling of 1442484421847 in words is "one trillion, four hundred forty-two billion, four hundred eighty-four million, four hundred twenty-one thousand, eight hundred forty-seven".