91101669241 has 4 divisors (see below), whose sum is σ = 99383639184. Its totient is φ = 82819699300.

The previous prime is 91101669233. The next prime is 91101669367. The reversal of 91101669241 is 14296610119.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91101669241 - 2³ = 91101669233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91101669194 and 91101669203.

It is not an unprimeable number, because it can be changed into a prime (91101669041) 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 3 ways as a sum of consecutive naturals, for example, 4140984955 + ... + 4140984976.

It is an arithmetic number, because the mean of its divisors is an integer number (24845909796).

Almost surely, 2^91101669241 is an apocalyptic number.

It is an amenable number.

91101669241 is a deficient number, since it is larger than the sum of its proper divisors (8281969943).

91101669241 is a wasteful number, since it uses less digits than its factorization.

91101669241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281969942.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 91101669241 in words is "ninety-one billion, one hundred one million, six hundred sixty-nine thousand, two hundred forty-one".