13181793694276 has 9 divisors (see below), whose sum is σ = 23068151672349. Its totient is φ = 6590893216464.

The previous prime is 13181793694273. The next prime is 13181793694351. The reversal of 13181793694276 is 67249639718131.

The square root of 13181793694276 is 3630674.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10055177580100 + 3126616114176 = 3170990^2 + 1768224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13181793694273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6353680 + ... + 8169016.

Almost surely, 2^{13181793694276} is an apocalyptic number.

13181793694276 is the 3630674-th square number.

It is an amenable number.

13181793694276 is a deficient number, since it is larger than the sum of its proper divisors (9886357978073).

13181793694276 is an frugal number, since it uses more digits than its factorization.

13181793694276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630678 (or 1815339 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 67.

The spelling of 13181793694276 in words is "thirteen trillion, one hundred eighty-one billion, seven hundred ninety-three million, six hundred ninety-four thousand, two hundred seventy-six".