13193793650 has 12 divisors (see below), whose sum is σ = 24540456282. Its totient is φ = 5277517440.

The previous prime is 13193793637. The next prime is 13193793671. The reversal of 13193793650 is 5639739131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7056168001 + 6137625649 = 84001^2 + 78343^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13193793595 and 13193793604.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131937887 + ... + 131937986.

Almost surely, 2^13193793650 is an apocalyptic number.

13193793650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13193793650 is a deficient number, since it is larger than the sum of its proper divisors (11346662632).

13193793650 is a wasteful number, since it uses less digits than its factorization.

13193793650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263875885 (or 263875880 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 47.

The spelling of 13193793650 in words is "thirteen billion, one hundred ninety-three million, seven hundred ninety-three thousand, six hundred fifty".