13181700650 has 36 divisors (see below), whose sum is σ = 25334470566. Its totient is φ = 5102575200.

The previous prime is 13181700647. The next prime is 13181700671. The reversal of 13181700650 is 5600718131.

It can be written as a sum of positive squares in 3 ways, for example, as 12530787481 + 650913169 = 111941^2 + 25513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89117 + ... + 185216.

Almost surely, 2^13181700650 is an apocalyptic number.

13181700650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13181700650 is a deficient number, since it is larger than the sum of its proper divisors (12152769916).

13181700650 is a wasteful number, since it uses less digits than its factorization.

13181700650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274407 (or 274371 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 13181700650 in words is "thirteen billion, one hundred eighty-one million, seven hundred thousand, six hundred fifty".