7255546301989 has 2 divisors, whose sum is σ = 7255546301990. Its totient is φ = 7255546301988.

The previous prime is 7255546301957. The next prime is 7255546302029. The reversal of 7255546301989 is 9891036455527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7254715997764 + 830304225 = 2693458^2 + 28815^2 .

It is an emirp because it is prime and its reverse (9891036455527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7255546301989 - 2⁵ = 7255546301957 is a prime.

It is a super-2 number, since 2×7255546301989² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7255546301989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7255546301929) 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, 3627773150994 + 3627773150995.

It is an arithmetic number, because the mean of its divisors is an integer number (3627773150995).

It is a 2-persistent number, because it is pandigital, and so is 2⋅7255546301989 = 14511092603978, but 3⋅7255546301989 = 21766638905967 is not.

Almost surely, 2^{7255546301989} is an apocalyptic number.

It is an amenable number.

7255546301989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7255546301989 is an equidigital number, since it uses as much as digits as its factorization.

7255546301989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648000, while the sum is 64.

The spelling of 7255546301989 in words is "seven trillion, two hundred fifty-five billion, five hundred forty-six million, three hundred one thousand, nine hundred eighty-nine".