7543495423873 has 2 divisors, whose sum is σ = 7543495423874. Its totient is φ = 7543495423872.

The previous prime is 7543495423859. The next prime is 7543495423883. The reversal of 7543495423873 is 3783245943457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5407080547969 + 2136414875904 = 2325313^2 + 1461648^2 .

It is an emirp because it is prime and its reverse (3783245943457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7543495423873 - 2⁹ = 7543495423361 is a prime.

It is not a weakly prime, because it can be changed into another prime (7543495423813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771747711936 + 3771747711937.

It is an arithmetic number, because the mean of its divisors is an integer number (3771747711937).

Almost surely, 2^{7543495423873} is an apocalyptic number.

It is an amenable number.

7543495423873 is a deficient number, since it is larger than the sum of its proper divisors (1).

7543495423873 is an equidigital number, since it uses as much as digits as its factorization.

7543495423873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 304819200, while the sum is 64.

The spelling of 7543495423873 in words is "seven trillion, five hundred forty-three billion, four hundred ninety-five million, four hundred twenty-three thousand, eight hundred seventy-three".