44131421333 has 4 divisors (see below), whose sum is σ = 44386516428. Its totient is φ = 43876326240.

The previous prime is 44131421311. The next prime is 44131421351. The reversal of 44131421333 is 33312413144.

It is a happy number.

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 42542362564 + 1589058769 = 206258^2 + 39863^2 .

It is a cyclic number.

It is not a de Polignac number, because 44131421333 - 2¹⁶ = 44131355797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44131421296 and 44131421305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44131451333) 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, 127547288 + ... + 127547633.

It is an arithmetic number, because the mean of its divisors is an integer number (11096629107).

Almost surely, 2^44131421333 is an apocalyptic number.

It is an amenable number.

44131421333 is a deficient number, since it is larger than the sum of its proper divisors (255095095).

44131421333 is a wasteful number, since it uses less digits than its factorization.

44131421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255095094.

The product of its digits is 10368, while the sum is 29.

Adding to 44131421333 its reverse (33312413144), we get a palindrome (77443834477).

The spelling of 44131421333 in words is "forty-four billion, one hundred thirty-one million, four hundred twenty-one thousand, three hundred thirty-three".