10444051443421 has 4 divisors (see below), whose sum is σ = 10726323104092. Its totient is φ = 10161779782752.

The previous prime is 10444051443373. The next prime is 10444051443433. The reversal of 10444051443421 is 12434415044401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6674963124025 + 3769088319396 = 2583595^2 + 1941414^2 .

It is a cyclic number.

It is not a de Polignac number, because 10444051443421 - 2¹³ = 10444051435229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 282271660633 = 10444051443421 / (1 + 0 + 4 + 4 + 4 + 0 + 5 + 1 + 4 + 4 + 3 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10444051443461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141135830280 + ... + 141135830353.

It is an arithmetic number, because the mean of its divisors is an integer number (2681580776023).

Almost surely, 2^{10444051443421} is an apocalyptic number.

It is an amenable number.

10444051443421 is a deficient number, since it is larger than the sum of its proper divisors (282271660671).

10444051443421 is an equidigital number, since it uses as much as digits as its factorization.

10444051443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282271660670.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 10444051443421 its reverse (12434415044401), we get a palindrome (22878466487822).

The spelling of 10444051443421 in words is "ten trillion, four hundred forty-four billion, fifty-one million, four hundred forty-three thousand, four hundred twenty-one".