91126963 has 2 divisors, whose sum is σ = 91126964. Its totient is φ = 91126962.

The previous prime is 91126939. The next prime is 91126991. The reversal of 91126963 is 36962119.

It is a weak prime.

It is an emirp because it is prime and its reverse (36962119) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91126963 is a prime.

It is not a weakly prime, because it can be changed into another prime (91126913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45563481 + 45563482.

It is an arithmetic number, because the mean of its divisors is an integer number (45563482).

Almost surely, 2^91126963 is an apocalyptic number.

91126963 is a deficient number, since it is larger than the sum of its proper divisors (1).

91126963 is an equidigital number, since it uses as much as digits as its factorization.

91126963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 91126963 is about 9546.0443640285. The cubic root of 91126963 is about 450.0032312525.

The spelling of 91126963 in words is "ninety-one million, one hundred twenty-six thousand, nine hundred sixty-three".