13542810783386 has 24 divisors (see below), whose sum is σ = 20705578535964. Its totient is φ = 6643372394880.

The previous prime is 13542810783373. The next prime is 13542810783413. The reversal of 13542810783386 is 68338701824531.

It can be written as a sum of positive squares in 6 ways, for example, as 9577013355625 + 3965797427761 = 3094675^2 + 1991431^2 .

It is a super-2 number, since 2×13542810783386² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274026950 + ... + 274076366.

Almost surely, 2^{13542810783386} is an apocalyptic number.

13542810783386 is a deficient number, since it is larger than the sum of its proper divisors (7162767752578).

13542810783386 is an equidigital number, since it uses as much as digits as its factorization.

13542810783386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98306 (or 98253 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 13542810783386 in words is "thirteen trillion, five hundred forty-two billion, eight hundred ten million, seven hundred eighty-three thousand, three hundred eighty-six".