2552421245389 has 2 divisors, whose sum is σ = 2552421245390. Its totient is φ = 2552421245388.

The previous prime is 2552421245321. The next prime is 2552421245449. The reversal of 2552421245389 is 9835421242552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2526058852164 + 26362393225 = 1589358^2 + 162365^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552421245389 - 2²³ = 2552412856781 is a prime.

It is a super-3 number, since 3×2552421245389³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552421240389) 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, 1276210622694 + 1276210622695.

It is an arithmetic number, because the mean of its divisors is an integer number (1276210622695).

Almost surely, 2^{2552421245389} is an apocalyptic number.

It is an amenable number.

2552421245389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552421245389 is an equidigital number, since it uses as much as digits as its factorization.

2552421245389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912000, while the sum is 52.

The spelling of 2552421245389 in words is "two trillion, five hundred fifty-two billion, four hundred twenty-one million, two hundred forty-five thousand, three hundred eighty-nine".