43254153329 has 2 divisors, whose sum is σ = 43254153330. Its totient is φ = 43254153328.

The previous prime is 43254153323. The next prime is 43254153331. The reversal of 43254153329 is 92335145234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40189423729 + 3064729600 = 200473^2 + 55360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43254153329 is a prime.

Together with 43254153331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43254153323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21627076664 + 21627076665.

It is an arithmetic number, because the mean of its divisors is an integer number (21627076665).

Almost surely, 2^43254153329 is an apocalyptic number.

It is an amenable number.

43254153329 is a deficient number, since it is larger than the sum of its proper divisors (1).

43254153329 is an equidigital number, since it uses as much as digits as its factorization.

43254153329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 41.

The spelling of 43254153329 in words is "forty-three billion, two hundred fifty-four million, one hundred fifty-three thousand, three hundred twenty-nine".