91383365147 has 8 divisors (see below), whose sum is σ = 95889277440. Its totient is φ = 86921846440.

The previous prime is 91383365137. The next prime is 91383365149. The reversal of 91383365147 is 74156338319.

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

It is a cyclic number.

It is not a de Polignac number, because 91383365147 - 2⁴ = 91383365131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91383365095 and 91383365104.

It is not an unprimeable number, because it can be changed into a prime (91383365149) 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 in 7 ways as a sum of consecutive naturals, for example, 11094179 + ... + 11102412.

It is an arithmetic number, because the mean of its divisors is an integer number (11986159680).

Almost surely, 2^91383365147 is an apocalyptic number.

91383365147 is a deficient number, since it is larger than the sum of its proper divisors (4505912293).

91383365147 is a wasteful number, since it uses less digits than its factorization.

91383365147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22196793.

The product of its digits is 1632960, while the sum is 50.

The spelling of 91383365147 in words is "ninety-one billion, three hundred eighty-three million, three hundred sixty-five thousand, one hundred forty-seven".