91530672763 has 2 divisors, whose sum is σ = 91530672764. Its totient is φ = 91530672762.

The previous prime is 91530672679. The next prime is 91530672773. The reversal of 91530672763 is 36727603519.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91530672763 - 2¹³ = 91530664571 is a prime.

It is not a weakly prime, because it can be changed into another prime (91530672773) 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 as a sum of consecutive naturals, namely, 45765336381 + 45765336382.

It is an arithmetic number, because the mean of its divisors is an integer number (45765336382).

Almost surely, 2^91530672763 is an apocalyptic number.

91530672763 is a deficient number, since it is larger than the sum of its proper divisors (1).

91530672763 is an equidigital number, since it uses as much as digits as its factorization.

91530672763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 91530672763 in words is "ninety-one billion, five hundred thirty million, six hundred seventy-two thousand, seven hundred sixty-three".