6742240278613 has 4 divisors (see below), whose sum is σ = 7705417461280. Its totient is φ = 5779063095948.

The previous prime is 6742240278611. The next prime is 6742240278643. The reversal of 6742240278613 is 3168720422476.

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 6742240278613 - 2¹ = 6742240278611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742240278611) 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, 481588591323 + ... + 481588591336.

It is an arithmetic number, because the mean of its divisors is an integer number (1926354365320).

Almost surely, 2^{6742240278613} is an apocalyptic number.

It is an amenable number.

6742240278613 is a deficient number, since it is larger than the sum of its proper divisors (963177182667).

6742240278613 is an equidigital number, since it uses as much as digits as its factorization.

6742240278613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963177182666.

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 6742240278613 in words is "six trillion, seven hundred forty-two billion, two hundred forty million, two hundred seventy-eight thousand, six hundred thirteen".