43475131413 has 24 divisors (see below), whose sum is σ = 71773977600. Its totient is φ = 24841026144.

The previous prime is 43475131397. The next prime is 43475131421. The reversal of 43475131413 is 31413157434.

43475131413 is a `hidden beast` number, since 43 + 4 + 75 + 131 + 413 = 666.

43475131413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43475131413 - 2⁴ = 43475131397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43475131463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446028 + ... + 1475786.

It is an arithmetic number, because the mean of its divisors is an integer number (2990582400).

Almost surely, 2^43475131413 is an apocalyptic number.

It is an amenable number.

43475131413 is a deficient number, since it is larger than the sum of its proper divisors (28298846187).

43475131413 is a wasteful number, since it uses less digits than its factorization.

43475131413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52961 (or 52958 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

Adding to 43475131413 its reverse (31413157434), we get a palindrome (74888288847).

The spelling of 43475131413 in words is "forty-three billion, four hundred seventy-five million, one hundred thirty-one thousand, four hundred thirteen".