2557538373 has 32 divisors (see below), whose sum is σ = 3751816320. Its totient is φ = 1539982080.

The previous prime is 2557538369. The next prime is 2557538387. The reversal of 2557538373 is 3738357552.

It is not a de Polignac number, because 2557538373 - 2² = 2557538369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557538353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 868738 + ... + 871676.

It is an arithmetic number, because the mean of its divisors is an integer number (117244260).

Almost surely, 2^2557538373 is an apocalyptic number.

It is an amenable number.

2557538373 is a deficient number, since it is larger than the sum of its proper divisors (1194277947).

2557538373 is a wasteful number, since it uses less digits than its factorization.

2557538373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429.

The product of its digits is 2646000, while the sum is 48.

The square root of 2557538373 is about 50572.1106243352. The cubic root of 2557538373 is about 1367.5421455839.

The spelling of 2557538373 in words is "two billion, five hundred fifty-seven million, five hundred thirty-eight thousand, three hundred seventy-three".