2538355831 has 16 divisors (see below), whose sum is σ = 2891531520. Its totient is φ = 2205723520.

The previous prime is 2538355829. The next prime is 2538355909. The reversal of 2538355831 is 1385538352.

It is not a de Polignac number, because 2538355831 - 2¹ = 2538355829 is a prime.

It is a super-2 number, since 2×2538355831² = 12886500649543401122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538355031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504255 + ... + 509263.

It is an arithmetic number, because the mean of its divisors is an integer number (180720720).

Almost surely, 2^2538355831 is an apocalyptic number.

2538355831 is a deficient number, since it is larger than the sum of its proper divisors (353175689).

2538355831 is a wasteful number, since it uses less digits than its factorization.

2538355831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046.

The product of its digits is 432000, while the sum is 43.

The square root of 2538355831 is about 50382.0983187481. The cubic root of 2538355831 is about 1364.1145274030.

The spelling of 2538355831 in words is "two billion, five hundred thirty-eight million, three hundred fifty-five thousand, eight hundred thirty-one".