13183485642650 has 48 divisors (see below), whose sum is σ = 25964334946296. Its totient is φ = 4963075461120.

The previous prime is 13183485642637. The next prime is 13183485642671. The reversal of 13183485642650 is 5624658438131.

It is a Cunningham number, because it is equal to 3630907²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 2794203098569 + 10389282544081 = 1671587^2 + 3223241^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40465202 + ... + 40789698.

Almost surely, 2^{13183485642650} is an apocalyptic number.

13183485642650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13183485642650 is a deficient number, since it is larger than the sum of its proper divisors (12780849303646).

13183485642650 is a wasteful number, since it uses less digits than its factorization.

13183485642650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372323 (or 372318 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 13183485642650 in words is "thirteen trillion, one hundred eighty-three billion, four hundred eighty-five million, six hundred forty-two thousand, six hundred fifty".