7427042719999 has 8 divisors (see below), whose sum is σ = 8531135366688. Its totient is φ = 6333721709280.

The previous prime is 7427042719979. The next prime is 7427042720057. The reversal of 7427042719999 is 9999172407247.

7427042719999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-7427042719999 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 (7427042719949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2692907512 + ... + 2692910269.

It is an arithmetic number, because the mean of its divisors is an integer number (1066391920836).

Almost surely, 2^{7427042719999} is an apocalyptic number.

7427042719999 is a deficient number, since it is larger than the sum of its proper divisors (1104092646689).

7427042719999 is a wasteful number, since it uses less digits than its factorization.

7427042719999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385817985.

The product of its (nonzero) digits is 144027072, while the sum is 70.

The spelling of 7427042719999 in words is "seven trillion, four hundred twenty-seven billion, forty-two million, seven hundred nineteen thousand, nine hundred ninety-nine".