43146000013 has 4 divisors (see below), whose sum is σ = 43630786620. Its totient is φ = 42661213408.

The previous prime is 43145999999. The next prime is 43146000077. The reversal of 43146000013 is 31000064134.

43146000013 = 146877² + 146878².

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 21572853129 + 21573146884 = 146877^2 + 146878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43146000013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43146000713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242393170 + ... + 242393347.

It is an arithmetic number, because the mean of its divisors is an integer number (10907696655).

Almost surely, 2^43146000013 is an apocalyptic number.

43146000013 is the 146878-th centered square number.

It is an amenable number.

43146000013 is a deficient number, since it is larger than the sum of its proper divisors (484786607).

43146000013 is an equidigital number, since it uses as much as digits as its factorization.

43146000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484786606.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 43146000013 its reverse (31000064134), we get a palindrome (74146064147).

The spelling of 43146000013 in words is "forty-three billion, one hundred forty-six million, thirteen", and thus it is an aban number.