43364258321 has 4 divisors (see below), whose sum is σ = 43680785892. Its totient is φ = 43047730752.

The previous prime is 43364258251. The next prime is 43364258323. The reversal of 43364258321 is 12385246334.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19947607696 + 23416650625 = 141236^2 + 153025^2 .

It is a cyclic number.

It is not a de Polignac number, because 43364258321 - 2¹⁰ = 43364257297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43364258323) 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 in 3 ways as a sum of consecutive naturals, for example, 158263580 + ... + 158263853.

It is an arithmetic number, because the mean of its divisors is an integer number (10920196473).

Almost surely, 2^43364258321 is an apocalyptic number.

It is an amenable number.

43364258321 is a deficient number, since it is larger than the sum of its proper divisors (316527571).

43364258321 is a wasteful number, since it uses less digits than its factorization.

43364258321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316527570.

The product of its digits is 414720, while the sum is 41.

The spelling of 43364258321 in words is "forty-three billion, three hundred sixty-four million, two hundred fifty-eight thousand, three hundred twenty-one".