91848765049 has 8 divisors (see below), whose sum is σ = 92849312192. Its totient is φ = 90850310640.

The previous prime is 91848764989. The next prime is 91848765067. The reversal of 91848765049 is 94056784819.

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 91848765049 - 2¹¹ = 91848763001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91848765079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434847 + ... + 610564.

It is an arithmetic number, because the mean of its divisors is an integer number (11606164024).

Almost surely, 2^91848765049 is an apocalyptic number.

It is an amenable number.

91848765049 is a deficient number, since it is larger than the sum of its proper divisors (1000547143).

91848765049 is a wasteful number, since it uses less digits than its factorization.

91848765049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046367.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 91848765049 in words is "ninety-one billion, eight hundred forty-eight million, seven hundred sixty-five thousand, forty-nine".