7443426127117 has 4 divisors (see below), whose sum is σ = 7443574888060. Its totient is φ = 7443277366176.

The previous prime is 7443426127063. The next prime is 7443426127133. The reversal of 7443426127117 is 7117216243447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7164128674921 + 279297452196 = 2676589^2 + 528486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7443426127117 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 (7443426127187) 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, 74305392 + ... + 74405497.

It is an arithmetic number, because the mean of its divisors is an integer number (1860893722015).

Almost surely, 2^{7443426127117} is an apocalyptic number.

It is an amenable number.

7443426127117 is a deficient number, since it is larger than the sum of its proper divisors (148760943).

7443426127117 is a wasteful number, since it uses less digits than its factorization.

7443426127117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148760942.

The product of its digits is 1580544, while the sum is 49.

The spelling of 7443426127117 in words is "seven trillion, four hundred forty-three billion, four hundred twenty-six million, one hundred twenty-seven thousand, one hundred seventeen".