91324206038 has 8 divisors (see below), whose sum is σ = 147523717488. Its totient is φ = 42149633544.

The previous prime is 91324206013. The next prime is 91324206079. The reversal of 91324206038 is 83060242319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×91324206038² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91324205992 and 91324206010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1756234706 + ... + 1756234757.

It is an arithmetic number, because the mean of its divisors is an integer number (18440464686).

Almost surely, 2^91324206038 is an apocalyptic number.

91324206038 is a deficient number, since it is larger than the sum of its proper divisors (56199511450).

91324206038 is a wasteful number, since it uses less digits than its factorization.

91324206038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512469478.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 91324206038 in words is "ninety-one billion, three hundred twenty-four million, two hundred six thousand, thirty-eight".