43534053377 has 2 divisors, whose sum is σ = 43534053378. Its totient is φ = 43534053376.

The previous prime is 43534053359. The next prime is 43534053379. The reversal of 43534053377 is 77335043534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32523958336 + 11010095041 = 180344^2 + 104929^2 .

It is a cyclic number.

It is not a de Polignac number, because 43534053377 - 2¹² = 43534049281 is a prime.

Together with 43534053379, 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 (43534053379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21767026688 + 21767026689.

It is an arithmetic number, because the mean of its divisors is an integer number (21767026689).

Almost surely, 2^43534053377 is an apocalyptic number.

It is an amenable number.

43534053377 is a deficient number, since it is larger than the sum of its proper divisors (1).

43534053377 is an equidigital number, since it uses as much as digits as its factorization.

43534053377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 44.

The spelling of 43534053377 in words is "forty-three billion, five hundred thirty-four million, fifty-three thousand, three hundred seventy-seven".