7243454543427 has 8 divisors (see below), whose sum is σ = 10731043768080. Its totient is φ = 4828969695600.

The previous prime is 7243454543419. The next prime is 7243454543459.

7243454543427 is a `hidden beast` number, since 7 + 2 + 4 + 3 + 4 + 54 + 543 + 42 + 7 = 666.

7243454543427 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7243454543427 - 2³ = 7243454543419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7243454548427) 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, 134138047074 + ... + 134138047127.

It is an arithmetic number, because the mean of its divisors is an integer number (1341380471010).

Almost surely, 2^{7243454543427} is an apocalyptic number.

7243454543427 is a deficient number, since it is larger than the sum of its proper divisors (3487589224653).

7243454543427 is a wasteful number, since it uses less digits than its factorization.

7243454543427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268276094210 (or 268276094204 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 54.

The spelling of 7243454543427 in words is "seven trillion, two hundred forty-three billion, four hundred fifty-four million, five hundred forty-three thousand, four hundred twenty-seven".