91916935001 has 4 divisors (see below), whose sum is σ = 92006962404. Its totient is φ = 91826907600.

The previous prime is 91916934947. The next prime is 91916935009. The reversal of 91916935001 is 10053961919.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10053961919 = 20089 ⋅500471.

It can be written as a sum of positive squares in 2 ways, for example, as 51790835776 + 40126099225 = 227576^2 + 200315^2 .

It is a cyclic number.

It is not a de Polignac number, because 91916935001 - 2⁶ = 91916934937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91916935009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45012170 + ... + 45014211.

It is an arithmetic number, because the mean of its divisors is an integer number (23001740601).

Almost surely, 2^91916935001 is an apocalyptic number.

It is an amenable number.

91916935001 is a deficient number, since it is larger than the sum of its proper divisors (90027403).

91916935001 is a wasteful number, since it uses less digits than its factorization.

91916935001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90027402.

The product of its (nonzero) digits is 65610, while the sum is 44.

The spelling of 91916935001 in words is "ninety-one billion, nine hundred sixteen million, nine hundred thirty-five thousand, one".