4148247121813 has 4 divisors (see below), whose sum is σ = 4148581913248. Its totient is φ = 4147912330380.

The previous prime is 4148247121801. The next prime is 4148247121859. The reversal of 4148247121813 is 3181217428414.

4148247121813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4148247121813 - 2⁹ = 4148247121301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4148247127813) 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, 167377131 + ... + 167401912.

It is an arithmetic number, because the mean of its divisors is an integer number (1037145478312).

Almost surely, 2^{4148247121813} is an apocalyptic number.

It is an amenable number.

4148247121813 is a deficient number, since it is larger than the sum of its proper divisors (334791435).

4148247121813 is a wasteful number, since it uses less digits than its factorization.

4148247121813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334791434.

The product of its digits is 344064, while the sum is 46.

The spelling of 4148247121813 in words is "four trillion, one hundred forty-eight billion, two hundred forty-seven million, one hundred twenty-one thousand, eight hundred thirteen".