91063443130 has 64 divisors (see below), whose sum is σ = 182117808000. Its totient is φ = 32504659200.

The previous prime is 91063443127. The next prime is 91063443131. The reversal of 91063443130 is 3134436019.

It is not an unprimeable number, because it can be changed into a prime (91063443131) 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 31 ways as a sum of consecutive naturals, for example, 3334692 + ... + 3361888.

It is an arithmetic number, because the mean of its divisors is an integer number (2845590750).

Almost surely, 2^91063443130 is an apocalyptic number.

91063443130 is a deficient number, since it is larger than the sum of its proper divisors (91054364870).

91063443130 is a wasteful number, since it uses less digits than its factorization.

91063443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775.

The product of its (nonzero) digits is 23328, while the sum is 34.

Adding to 91063443130 its reverse (3134436019), we get a palindrome (94197879149).

The spelling of 91063443130 in words is "ninety-one billion, sixty-three million, four hundred forty-three thousand, one hundred thirty".