2648240142817 has 4 divisors (see below), whose sum is σ = 2656240868656. Its totient is φ = 2640239416980.

The previous prime is 2648240142809. The next prime is 2648240142833. The reversal of 2648240142817 is 7182410428462.

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 2648240142817 - 2³ = 2648240142809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648240142857) 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, 4000362423 + ... + 4000363084.

It is an arithmetic number, because the mean of its divisors is an integer number (664060217164).

Almost surely, 2^{2648240142817} is an apocalyptic number.

It is an amenable number.

2648240142817 is a deficient number, since it is larger than the sum of its proper divisors (8000725839).

2648240142817 is an equidigital number, since it uses as much as digits as its factorization.

2648240142817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000725838.

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 2648240142817 in words is "two trillion, six hundred forty-eight billion, two hundred forty million, one hundred forty-two thousand, eight hundred seventeen".