13684781260801 has 4 divisors (see below), whose sum is σ = 15639750012352. Its totient is φ = 11729812509252.

The previous prime is 13684781260763. The next prime is 13684781260817. The reversal of 13684781260801 is 10806218748631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13684781260801 - 2¹³ = 13684781252609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13684781263801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977484375765 + ... + 977484375778.

It is an arithmetic number, because the mean of its divisors is an integer number (3909937503088).

Almost surely, 2^{13684781260801} is an apocalyptic number.

It is an amenable number.

13684781260801 is a deficient number, since it is larger than the sum of its proper divisors (1954968751551).

13684781260801 is an equidigital number, since it uses as much as digits as its factorization.

13684781260801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954968751550.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 13684781260801 in words is "thirteen trillion, six hundred eighty-four billion, seven hundred eighty-one million, two hundred sixty thousand, eight hundred one".