44106561838813 has 2 divisors, whose sum is σ = 44106561838814. Its totient is φ = 44106561838812.

The previous prime is 44106561838783. The next prime is 44106561838883. The reversal of 44106561838813 is 31883816560144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43711641344484 + 394920494329 = 6611478^2 + 628427^2 .

It is a cyclic number.

It is not a de Polignac number, because 44106561838813 - 2²⁵ = 44106528284381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44106561838883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22053280919406 + 22053280919407.

It is an arithmetic number, because the mean of its divisors is an integer number (22053280919407).

Almost surely, 2^{44106561838813} is an apocalyptic number.

It is an amenable number.

44106561838813 is a deficient number, since it is larger than the sum of its proper divisors (1).

44106561838813 is an equidigital number, since it uses as much as digits as its factorization.

44106561838813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 44106561838813 in words is "forty-four trillion, one hundred six billion, five hundred sixty-one million, eight hundred thirty-eight thousand, eight hundred thirteen".