2538594555597 has 24 divisors (see below), whose sum is σ = 3691765311000. Its totient is φ = 1680902886528.

The previous prime is 2538594555583. The next prime is 2538594555617. The reversal of 2538594555597 is 7955554958352.

2538594555597 is a `hidden beast` number, since 2 + 5 + 3 + 85 + 9 + 455 + 5 + 5 + 97 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 538013448036 + 2000581107561 = 733494^2 + 1414419^2 .

It is not a de Polignac number, because 2538594555597 - 2⁶ = 2538594555533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538594555577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18260883 + ... + 18399375.

It is an arithmetic number, because the mean of its divisors is an integer number (153823554625).

Almost surely, 2^{2538594555597} is an apocalyptic number.

It is an amenable number.

2538594555597 is a deficient number, since it is larger than the sum of its proper divisors (1153170755403).

2538594555597 is a wasteful number, since it uses less digits than its factorization.

2538594555597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152317 (or 152314 counting only the distinct ones).

The product of its digits is 1701000000, while the sum is 72.

The spelling of 2538594555597 in words is "two trillion, five hundred thirty-eight billion, five hundred ninety-four million, five hundred fifty-five thousand, five hundred ninety-seven".