13194305538 has 16 divisors (see below), whose sum is σ = 26504863200. Its totient is φ = 4378726496.

The previous prime is 13194305477. The next prime is 13194305543. The reversal of 13194305538 is 83550349131.

It is a self number, because there is not a number n which added to its sum of digits gives 13194305538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4842363 + ... + 4845086.

It is an arithmetic number, because the mean of its divisors is an integer number (1656553950).

Almost surely, 2^13194305538 is an apocalyptic number.

13194305538 is an abundant number, since it is smaller than the sum of its proper divisors (13310557662).

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

13194305538 is a wasteful number, since it uses less digits than its factorization.

13194305538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687681.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 13194305538 in words is "thirteen billion, one hundred ninety-four million, three hundred five thousand, five hundred thirty-eight".