91482691 has 2 divisors, whose sum is σ = 91482692. Its totient is φ = 91482690.

The previous prime is 91482689. The next prime is 91482731. The reversal of 91482691 is 19628419.

It is an a-pointer prime, because the next prime (91482731) can be obtained adding 91482691 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91482691 - 2¹ = 91482689 is a prime.

Together with 91482689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (91482191) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45741345 + 45741346.

It is an arithmetic number, because the mean of its divisors is an integer number (45741346).

Almost surely, 2^91482691 is an apocalyptic number.

91482691 is a deficient number, since it is larger than the sum of its proper divisors (1).

91482691 is an equidigital number, since it uses as much as digits as its factorization.

91482691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 91482691 is about 9564.6584361387. The cubic root of 91482691 is about 450.5880230546.

The spelling of 91482691 in words is "ninety-one million, four hundred eighty-two thousand, six hundred ninety-one".