10194994865 has 16 divisors (see below), whose sum is σ = 13353163200. Its totient is φ = 7410659520.

The previous prime is 10194994841. The next prime is 10194994879. The reversal of 10194994865 is 56849949101.

It is not a de Polignac number, because 10194994865 - 2¹² = 10194990769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10194994865.

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 15 ways as a sum of consecutive naturals, for example, 59642 + ... + 154748.

It is an arithmetic number, because the mean of its divisors is an integer number (834572700).

Almost surely, 2^10194994865 is an apocalyptic number.

It is an amenable number.

10194994865 is a deficient number, since it is larger than the sum of its proper divisors (3158168335).

10194994865 is a wasteful number, since it uses less digits than its factorization.

10194994865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97072.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 10194994865 in words is "ten billion, one hundred ninety-four million, nine hundred ninety-four thousand, eight hundred sixty-five".