44641315021 has 2 divisors, whose sum is σ = 44641315022. Its totient is φ = 44641315020.

The previous prime is 44641314973. The next prime is 44641315067. The reversal of 44641315021 is 12051314644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27970890025 + 16670424996 = 167245^2 + 129114^2 .

It is a cyclic number.

It is not a de Polignac number, because 44641315021 - 2²¹ = 44639217869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44641325021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22320657510 + 22320657511.

It is an arithmetic number, because the mean of its divisors is an integer number (22320657511).

Almost surely, 2^44641315021 is an apocalyptic number.

It is an amenable number.

44641315021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44641315021 is an equidigital number, since it uses as much as digits as its factorization.

44641315021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 44641315021 its reverse (12051314644), we get a palindrome (56692629665).

The spelling of 44641315021 in words is "forty-four billion, six hundred forty-one million, three hundred fifteen thousand, twenty-one".