43091132563 has 2 divisors, whose sum is σ = 43091132564. Its totient is φ = 43091132562.

The previous prime is 43091132521. The next prime is 43091132573. The reversal of 43091132563 is 36523119034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43091132563 - 2²⁵ = 43057578131 is a prime.

It is not a weakly prime, because it can be changed into another prime (43091132503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21545566281 + 21545566282.

It is an arithmetic number, because the mean of its divisors is an integer number (21545566282).

Almost surely, 2^43091132563 is an apocalyptic number.

43091132563 is a deficient number, since it is larger than the sum of its proper divisors (1).

43091132563 is an equidigital number, since it uses as much as digits as its factorization.

43091132563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 43091132563 in words is "forty-three billion, ninety-one million, one hundred thirty-two thousand, five hundred sixty-three".