44021421300413 has 4 divisors (see below), whose sum is σ = 44021466271260. Its totient is φ = 44021376329568.

The previous prime is 44021421300403. The next prime is 44021421300497. The reversal of 44021421300413 is 31400312412044.

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 32551840198084 + 11469581102329 = 5705422^2 + 3386677^2 .

It is a cyclic number.

It is not a de Polignac number, because 44021421300413 - 2⁴ = 44021421300397 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 (44021421300403) 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, 20983658 + ... + 22986011.

It is an arithmetic number, because the mean of its divisors is an integer number (11005366567815).

Almost surely, 2^{44021421300413} is an apocalyptic number.

It is an amenable number.

44021421300413 is a deficient number, since it is larger than the sum of its proper divisors (44970847).

44021421300413 is a wasteful number, since it uses less digits than its factorization.

44021421300413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44970846.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 44021421300413 its reverse (31400312412044), we get a palindrome (75421733712457).

The spelling of 44021421300413 in words is "forty-four trillion, twenty-one billion, four hundred twenty-one million, three hundred thousand, four hundred thirteen".