43401421113 has 16 divisors (see below), whose sum is σ = 59510635200. Its totient is φ = 28124264960.

The previous prime is 43401421111. The next prime is 43401421123. The reversal of 43401421113 is 31112410434.

It is a cyclic number.

It is not a de Polignac number, because 43401421113 - 2¹ = 43401421111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43401421111) 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, 1361808 + ... + 1393313.

It is an arithmetic number, because the mean of its divisors is an integer number (3719414700).

Almost surely, 2^43401421113 is an apocalyptic number.

It is an amenable number.

43401421113 is a deficient number, since it is larger than the sum of its proper divisors (16109214087).

43401421113 is a wasteful number, since it uses less digits than its factorization.

43401421113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755272.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 43401421113 its reverse (31112410434), we get a palindrome (74513831547).

The spelling of 43401421113 in words is "forty-three billion, four hundred one million, four hundred twenty-one thousand, one hundred thirteen".