43000354013 has 16 divisors (see below), whose sum is σ = 47942303040. Its totient is φ = 38327904000.

The previous prime is 43000354009. The next prime is 43000354031. The reversal of 43000354013 is 31045300034.

It is a cyclic number.

It is not a de Polignac number, because 43000354013 - 2² = 43000354009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43000354013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43000354063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006538 + ... + 1048388.

It is an arithmetic number, because the mean of its divisors is an integer number (2996393940).

Almost surely, 2^43000354013 is an apocalyptic number.

It is an amenable number.

43000354013 is a deficient number, since it is larger than the sum of its proper divisors (4941949027).

43000354013 is a wasteful number, since it uses less digits than its factorization.

43000354013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45068.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 43000354013 its reverse (31045300034), we get a palindrome (74045654047).

The spelling of 43000354013 in words is "forty-three billion, three hundred fifty-four thousand, thirteen".