1346613663121 has 4 divisors (see below), whose sum is σ = 1346668297200. Its totient is φ = 1346559029044.

The previous prime is 1346613663103. The next prime is 1346613663169. The reversal of 1346613663121 is 1213663166431.

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 1346613663121 - 2⁷ = 1346613662993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1346613663181) 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, 27280051 + ... + 27329368.

It is an arithmetic number, because the mean of its divisors is an integer number (336667074300).

Almost surely, 2^{1346613663121} is an apocalyptic number.

It is an amenable number.

1346613663121 is a deficient number, since it is larger than the sum of its proper divisors (54634079).

1346613663121 is an equidigital number, since it uses as much as digits as its factorization.

1346613663121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54634078.

The product of its digits is 279936, while the sum is 43.

The spelling of 1346613663121 in words is "one trillion, three hundred forty-six billion, six hundred thirteen million, six hundred sixty-three thousand, one hundred twenty-one".