91449404195 has 8 divisors (see below), whose sum is σ = 109752913440. Its totient is φ = 73150437760.

The previous prime is 91449404119. The next prime is 91449404201. The reversal of 91449404195 is 59140494419.

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

It is not a de Polignac number, because 91449404195 - 2⁸ = 91449403939 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1091255 + ... + 1172064.

It is an arithmetic number, because the mean of its divisors is an integer number (13719114180).

Almost surely, 2^91449404195 is an apocalyptic number.

91449404195 is a deficient number, since it is larger than the sum of its proper divisors (18303509245).

91449404195 is a wasteful number, since it uses less digits than its factorization.

91449404195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271405.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 91449404195 in words is "ninety-one billion, four hundred forty-nine million, four hundred four thousand, one hundred ninety-five".