43132443251 has 16 divisors (see below), whose sum is σ = 44813381760. Its totient is φ = 41482068480.

The previous prime is 43132443239. The next prime is 43132443259. The reversal of 43132443251 is 15234423134.

43132443251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43132443251 - 2⁶ = 43132443187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43132443259) 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, 10572230 + ... + 10576308.

It is an arithmetic number, because the mean of its divisors is an integer number (2800836360).

Almost surely, 2^43132443251 is an apocalyptic number.

43132443251 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

43132443251 is a deficient number, since it is larger than the sum of its proper divisors (1680938509).

43132443251 is a wasteful number, since it uses less digits than its factorization.

43132443251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726.

The product of its digits is 34560, while the sum is 32.

Adding to 43132443251 its reverse (15234423134), we get a palindrome (58366866385).

The spelling of 43132443251 in words is "forty-three billion, one hundred thirty-two million, four hundred forty-three thousand, two hundred fifty-one".