2538965838 has 16 divisors (see below), whose sum is σ = 5083693056. Its totient is φ = 845361720.

The previous prime is 2538965833. The next prime is 2538965843. The reversal of 2538965838 is 8385698352.

It is an interprime number because it is at equal distance from previous prime (2538965833) and next prime (2538965843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538965833) 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 in 7 ways as a sum of consecutive naturals, for example, 234318 + ... + 244913.

It is an arithmetic number, because the mean of its divisors is an integer number (317730816).

Almost surely, 2^2538965838 is an apocalyptic number.

2538965838 is an abundant number, since it is smaller than the sum of its proper divisors (2544727218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2538965838 is a wasteful number, since it uses less digits than its factorization.

2538965838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480119.

The product of its digits is 12441600, while the sum is 57.

The square root of 2538965838 is about 50388.1517620958. The cubic root of 2538965838 is about 1364.2237914067.

The spelling of 2538965838 in words is "two billion, five hundred thirty-eight million, nine hundred sixty-five thousand, eight hundred thirty-eight".