43241156401 has 4 divisors (see below), whose sum is σ = 43241602852. Its totient is φ = 43240709952.

The previous prime is 43241156393. The next prime is 43241156407. The reversal of 43241156401 is 10465114234.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16418578225 + 26822578176 = 128135^2 + 163776^2 .

It is a cyclic number.

It is not a de Polignac number, because 43241156401 - 2³ = 43241156393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43241156407) 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, 10140 + ... + 294253.

It is an arithmetic number, because the mean of its divisors is an integer number (10810400713).

Almost surely, 2^43241156401 is an apocalyptic number.

It is an amenable number.

43241156401 is a deficient number, since it is larger than the sum of its proper divisors (446451).

43241156401 is a wasteful number, since it uses less digits than its factorization.

43241156401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446450.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 43241156401 in words is "forty-three billion, two hundred forty-one million, one hundred fifty-six thousand, four hundred one".