10444437121 has 4 divisors (see below), whose sum is σ = 10444652244. Its totient is φ = 10444222000.

The previous prime is 10444437109. The next prime is 10444437131. The reversal of 10444437121 is 12173444401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12173444401 = 191 ⋅63735311.

It can be written as a sum of positive squares in 2 ways, for example, as 7197146896 + 3247290225 = 84836^2 + 56985^2 .

It is a cyclic number.

It is not a de Polignac number, because 10444437121 - 2⁹ = 10444436609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10444437131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471 + ... + 144571.

It is an arithmetic number, because the mean of its divisors is an integer number (2611163061).

Almost surely, 2^10444437121 is an apocalyptic number.

It is an amenable number.

10444437121 is a deficient number, since it is larger than the sum of its proper divisors (215123).

10444437121 is an equidigital number, since it uses as much as digits as its factorization.

10444437121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215122.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 10444437121 in words is "ten billion, four hundred forty-four million, four hundred thirty-seven thousand, one hundred twenty-one".