1450444511021 has 16 divisors (see below), whose sum is σ = 1651326894720. Its totient is φ = 1261081926720.

The previous prime is 1450444511011. The next prime is 1450444511041. The reversal of 1450444511021 is 1201154440541.

It is a de Polignac number, because none of the positive numbers 2^k-1450444511021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450444511011) 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 15 ways as a sum of consecutive naturals, for example, 1456991 + ... + 2241363.

It is an arithmetic number, because the mean of its divisors is an integer number (103207930920).

Almost surely, 2^{1450444511021} is an apocalyptic number.

1450444511021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1450444511021 is a deficient number, since it is larger than the sum of its proper divisors (200882383699).

1450444511021 is a wasteful number, since it uses less digits than its factorization.

1450444511021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791716.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 1450444511021 its reverse (1201154440541), we get a palindrome (2651598951562).

The spelling of 1450444511021 in words is "one trillion, four hundred fifty billion, four hundred forty-four million, five hundred eleven thousand, twenty-one".