544129100309 has 2 divisors, whose sum is σ = 544129100310. Its totient is φ = 544129100308.

The previous prime is 544129100299. The next prime is 544129100323. The reversal of 544129100309 is 903001921445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543828077809 + 301022500 = 737447^2 + 17350^2 .

It is a cyclic number.

It is not a de Polignac number, because 544129100309 - 2⁴ = 544129100293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544129100399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272064550154 + 272064550155.

It is an arithmetic number, because the mean of its divisors is an integer number (272064550155).

Almost surely, 2^544129100309 is an apocalyptic number.

It is an amenable number.

544129100309 is a deficient number, since it is larger than the sum of its proper divisors (1).

544129100309 is an equidigital number, since it uses as much as digits as its factorization.

544129100309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 544129100309 in words is "five hundred forty-four billion, one hundred twenty-nine million, one hundred thousand, three hundred nine".