43013320401 has 16 divisors (see below), whose sum is σ = 58912613568. Its totient is φ = 27895089600.

The previous prime is 43013320379. The next prime is 43013320403. The reversal of 43013320401 is 10402331034.

It is not a de Polignac number, because 43013320401 - 2¹⁴ = 43013304017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43013320403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578911 + ... + 648971.

It is an arithmetic number, because the mean of its divisors is an integer number (3682038348).

Almost surely, 2^43013320401 is an apocalyptic number.

It is an amenable number.

43013320401 is a deficient number, since it is larger than the sum of its proper divisors (15899293167).

43013320401 is a wasteful number, since it uses less digits than its factorization.

43013320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75632.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 43013320401 its reverse (10402331034), we get a palindrome (53415651435).

The spelling of 43013320401 in words is "forty-three billion, thirteen million, three hundred twenty thousand, four hundred one".