4445053421012 has 6 divisors (see below), whose sum is σ = 7778843486778. Its totient is φ = 2222526710504.

The previous prime is 4445053420979. The next prime is 4445053421051. The reversal of 4445053421012 is 2101243505444.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4333541504656 + 111511916356 = 2081716^2 + 333934^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555631677623 + ... + 555631677630.

It is an arithmetic number, because the mean of its divisors is an integer number (1296473914463).

Almost surely, 2^{4445053421012} is an apocalyptic number.

It is an amenable number.

4445053421012 is a deficient number, since it is larger than the sum of its proper divisors (3333790065766).

4445053421012 is a wasteful number, since it uses less digits than its factorization.

4445053421012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111263355257 (or 1111263355255 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 4445053421012 its reverse (2101243505444), we get a palindrome (6546296926456).

The spelling of 4445053421012 in words is "four trillion, four hundred forty-five billion, fifty-three million, four hundred twenty-one thousand, twelve".