2538738892 has 12 divisors (see below), whose sum is σ = 4448210256. Its totient is φ = 1267821680.

The previous prime is 2538738889. The next prime is 2538738899. The reversal of 2538738892 is 2988378352.

It is not an unprimeable number, because it can be changed into a prime (2538738899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383248 + ... + 389815.

It is an arithmetic number, because the mean of its divisors is an integer number (370684188).

Almost surely, 2^2538738892 is an apocalyptic number.

It is an amenable number.

2538738892 is a deficient number, since it is larger than the sum of its proper divisors (1909471364).

2538738892 is a wasteful number, since it uses less digits than its factorization.

2538738892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773888 (or 773886 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The square root of 2538738892 is about 50385.8997339533. The cubic root of 2538738892 is about 1364.1831430512.

The spelling of 2538738892 in words is "two billion, five hundred thirty-eight million, seven hundred thirty-eight thousand, eight hundred ninety-two".