91467943699 has 24 divisors (see below), whose sum is σ = 103838228480. Its totient is φ = 80427006000.

The previous prime is 91467943669. The next prime is 91467943711. The reversal of 91467943699 is 99634976419.

It is a happy number.

It is not a de Polignac number, because 91467943699 - 2³⁵ = 57108205331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91467943669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8393044 + ... + 8403934.

Almost surely, 2^91467943699 is an apocalyptic number.

91467943699 is a deficient number, since it is larger than the sum of its proper divisors (12370284781).

91467943699 is a wasteful number, since it uses less digits than its factorization.

91467943699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13183 (or 13172 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 67.

The spelling of 91467943699 in words is "ninety-one billion, four hundred sixty-seven million, nine hundred forty-three thousand, six hundred ninety-nine".