44027129617 has 2 divisors, whose sum is σ = 44027129618. Its totient is φ = 44027129616.

The previous prime is 44027129609. The next prime is 44027129639. The reversal of 44027129617 is 71692172044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42338823696 + 1688305921 = 205764^2 + 41089^2 .

It is a cyclic number.

It is not a de Polignac number, because 44027129617 - 2³ = 44027129609 is a prime.

It is not a weakly prime, because it can be changed into another prime (44027129647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22013564808 + 22013564809.

It is an arithmetic number, because the mean of its divisors is an integer number (22013564809).

Almost surely, 2^44027129617 is an apocalyptic number.

It is an amenable number.

44027129617 is a deficient number, since it is larger than the sum of its proper divisors (1).

44027129617 is an equidigital number, since it uses as much as digits as its factorization.

44027129617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 44027129617 in words is "forty-four billion, twenty-seven million, one hundred twenty-nine thousand, six hundred seventeen".