7542647555713 has 2 divisors, whose sum is σ = 7542647555714. Its totient is φ = 7542647555712.

The previous prime is 7542647555699. The next prime is 7542647555731. The reversal of 7542647555713 is 3175557462457.

It is a happy number.

Together with next prime (7542647555731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6018131363344 + 1524516192369 = 2453188^2 + 1234713^2 .

It is a cyclic number.

It is not a de Polignac number, because 7542647555713 - 2¹³ = 7542647547521 is a prime.

It is not a weakly prime, because it can be changed into another prime (7542647555743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771323777856 + 3771323777857.

It is an arithmetic number, because the mean of its divisors is an integer number (3771323777857).

Almost surely, 2^{7542647555713} is an apocalyptic number.

It is an amenable number.

7542647555713 is a deficient number, since it is larger than the sum of its proper divisors (1).

7542647555713 is an equidigital number, since it uses as much as digits as its factorization.

7542647555713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480000, while the sum is 61.

The spelling of 7542647555713 in words is "seven trillion, five hundred forty-two billion, six hundred forty-seven million, five hundred fifty-five thousand, seven hundred thirteen".