91063443129 has 8 divisors (see below), whose sum is σ = 121420051872. Its totient is φ = 60707898240.

The previous prime is 91063443127. The next prime is 91063443131. The reversal of 91063443129 is 92134436019.

It is an interprime number because it is at equal distance from previous prime (91063443127) and next prime (91063443131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91063443129 - 2¹ = 91063443127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91063443127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38424 + ... + 428489.

It is an arithmetic number, because the mean of its divisors is an integer number (15177506484).

Almost surely, 2^91063443129 is an apocalyptic number.

It is an amenable number.

91063443129 is a deficient number, since it is larger than the sum of its proper divisors (30356608743).

91063443129 is a wasteful number, since it uses less digits than its factorization.

91063443129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531927.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 91063443129 in words is "ninety-one billion, sixty-three million, four hundred forty-three thousand, one hundred twenty-nine".