53731442129 has 2 divisors, whose sum is σ = 53731442130. Its totient is φ = 53731442128.

The previous prime is 53731442119. The next prime is 53731442201. The reversal of 53731442129 is 92124413735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43230726400 + 10500715729 = 207920^2 + 102473^2 .

It is a cyclic number.

It is not a de Polignac number, because 53731442129 - 2³² = 49436474833 is a prime.

It is not a weakly prime, because it can be changed into another prime (53731442119) 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, 26865721064 + 26865721065.

It is an arithmetic number, because the mean of its divisors is an integer number (26865721065).

Almost surely, 2^53731442129 is an apocalyptic number.

It is an amenable number.

53731442129 is a deficient number, since it is larger than the sum of its proper divisors (1).

53731442129 is an equidigital number, since it uses as much as digits as its factorization.

53731442129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The spelling of 53731442129 in words is "fifty-three billion, seven hundred thirty-one million, four hundred forty-two thousand, one hundred twenty-nine".