91343982508 has 24 divisors (see below), whose sum is σ = 164190400304. Its totient is φ = 44432712000.

The previous prime is 91343982493. The next prime is 91343982593. The reversal of 91343982508 is 80528934319.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1565458 + ... + 1622758.

Almost surely, 2^91343982508 is an apocalyptic number.

It is an amenable number.

91343982508 is a deficient number, since it is larger than the sum of its proper divisors (72846417796).

91343982508 is a wasteful number, since it uses less digits than its factorization.

91343982508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68113 (or 68111 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 91343982508 in words is "ninety-one billion, three hundred forty-three million, nine hundred eighty-two thousand, five hundred eight".