10091863691 has 16 divisors (see below), whose sum is σ = 12432559104. Its totient is φ = 7977183264.

The previous prime is 10091863679. The next prime is 10091863741. The reversal of 10091863691 is 19636819001.

It is a happy number.

10091863691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10091863691 - 2²² = 10087669387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10091866691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44570 + ... + 148896.

It is an arithmetic number, because the mean of its divisors is an integer number (777034944).

Almost surely, 2^10091863691 is an apocalyptic number.

10091863691 is a deficient number, since it is larger than the sum of its proper divisors (2340695413).

10091863691 is a wasteful number, since it uses less digits than its factorization.

10091863691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105410.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 10091863691 in words is "ten billion, ninety-one million, eight hundred sixty-three thousand, six hundred ninety-one".