2153444236129 has 2 divisors, whose sum is σ = 2153444236130. Its totient is φ = 2153444236128.

The previous prime is 2153444236093. The next prime is 2153444236211. The reversal of 2153444236129 is 9216324443512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1712080656225 + 441363579904 = 1308465^2 + 664352^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153444236129 - 2²¹ = 2153442138977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153444236429) 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, 1076722118064 + 1076722118065.

It is an arithmetic number, because the mean of its divisors is an integer number (1076722118065).

Almost surely, 2^{2153444236129} is an apocalyptic number.

It is an amenable number.

2153444236129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153444236129 is an equidigital number, since it uses as much as digits as its factorization.

2153444236129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 46.

The spelling of 2153444236129 in words is "two trillion, one hundred fifty-three billion, four hundred forty-four million, two hundred thirty-six thousand, one hundred twenty-nine".