11643593694 has 16 divisors (see below), whose sum is σ = 23290339968. Its totient is φ = 3880672472.

The previous prime is 11643593683. The next prime is 11643593701. The reversal of 11643593694 is 49639534611.

11643593694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11643593694² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81912 + ... + 173195.

It is an arithmetic number, because the mean of its divisors is an integer number (1455646248).

Almost surely, 2^11643593694 is an apocalyptic number.

11643593694 is an abundant number, since it is smaller than the sum of its proper divisors (11646746274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11643593694 is a wasteful number, since it uses less digits than its factorization.

11643593694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262719.

The product of its digits is 2099520, while the sum is 51.

The spelling of 11643593694 in words is "eleven billion, six hundred forty-three million, five hundred ninety-three thousand, six hundred ninety-four".