91481560229 has 8 divisors (see below), whose sum is σ = 92143590240. Its totient is φ = 90820534896.

The previous prime is 91481560217. The next prime is 91481560231. The reversal of 91481560229 is 92206518419.

It is a happy number.

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 91481560229 - 2⁴ = 91481560213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91481560279) 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 7 ways as a sum of consecutive naturals, for example, 67919 + ... + 433100.

It is an arithmetic number, because the mean of its divisors is an integer number (11517948780).

Almost surely, 2^91481560229 is an apocalyptic number.

It is an amenable number.

91481560229 is a deficient number, since it is larger than the sum of its proper divisors (662030011).

91481560229 is a wasteful number, since it uses less digits than its factorization.

91481560229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502339.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 91481560229 in words is "ninety-one billion, four hundred eighty-one million, five hundred sixty thousand, two hundred twenty-nine".