44354236013 has 2 divisors, whose sum is σ = 44354236014. Its totient is φ = 44354236012.

The previous prime is 44354236009. The next prime is 44354236027. The reversal of 44354236013 is 31063245344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33387329284 + 10966906729 = 182722^2 + 104723^2 .

It is a cyclic number.

It is not a de Polignac number, because 44354236013 - 2² = 44354236009 is a prime.

It is a super-2 number, since 2×44354236013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44354236033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22177118006 + 22177118007.

It is an arithmetic number, because the mean of its divisors is an integer number (22177118007).

Almost surely, 2^44354236013 is an apocalyptic number.

It is an amenable number.

44354236013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44354236013 is an equidigital number, since it uses as much as digits as its factorization.

44354236013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 44354236013 in words is "forty-four billion, three hundred fifty-four million, two hundred thirty-six thousand, thirteen".