43500413213 has 4 divisors (see below), whose sum is σ = 43832477568. Its totient is φ = 43168348860.

The previous prime is 43500413197. The next prime is 43500413219. The reversal of 43500413213 is 31231400534.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43500413213 - 2⁴ = 43500413197 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 (43500413219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166031981 + ... + 166032242.

It is an arithmetic number, because the mean of its divisors is an integer number (10958119392).

Almost surely, 2^43500413213 is an apocalyptic number.

It is an amenable number.

43500413213 is a deficient number, since it is larger than the sum of its proper divisors (332064355).

43500413213 is a wasteful number, since it uses less digits than its factorization.

43500413213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332064354.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 43500413213 its reverse (31231400534), we get a palindrome (74731813747).

The spelling of 43500413213 in words is "forty-three billion, five hundred million, four hundred thirteen thousand, two hundred thirteen".