91433168327147 has 2 divisors, whose sum is σ = 91433168327148. Its totient is φ = 91433168327146.

The previous prime is 91433168327077. The next prime is 91433168327243. The reversal of 91433168327147 is 74172386133419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91433168327147 - 2¹² = 91433168323051 is a prime.

It is not a weakly prime, because it can be changed into another prime (91433168327747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45716584163573 + 45716584163574.

It is an arithmetic number, because the mean of its divisors is an integer number (45716584163574).

Almost surely, 2^{91433168327147} is an apocalyptic number.

91433168327147 is a deficient number, since it is larger than the sum of its proper divisors (1).

91433168327147 is an equidigital number, since it uses as much as digits as its factorization.

91433168327147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 59.

The spelling of 91433168327147 in words is "ninety-one trillion, four hundred thirty-three billion, one hundred sixty-eight million, three hundred twenty-seven thousand, one hundred forty-seven".