91010670673 has 16 divisors (see below), whose sum is σ = 99497251840. Its totient is φ = 82736919936.

The previous prime is 91010670661. The next prime is 91010670683. The reversal of 91010670673 is 37607601019.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91010670673 is a prime.

It is a super-3 number, since 3×91010670673³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91010670613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4945936 + ... + 4964302.

It is an arithmetic number, because the mean of its divisors is an integer number (6218578240).

Almost surely, 2^91010670673 is an apocalyptic number.

It is an amenable number.

91010670673 is a deficient number, since it is larger than the sum of its proper divisors (8486581167).

91010670673 is a wasteful number, since it uses less digits than its factorization.

91010670673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24136.

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 91010670673 in words is "ninety-one billion, ten million, six hundred seventy thousand, six hundred seventy-three".