2538649814 has 16 divisors (see below), whose sum is σ = 4032935568. Its totient is φ = 1194373632.

The previous prime is 2538649811. The next prime is 2538649819. The reversal of 2538649814 is 4189468352.

2538649814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538649811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223517 + ... + 234599.

It is an arithmetic number, because the mean of its divisors is an integer number (252058473).

Almost surely, 2^2538649814 is an apocalyptic number.

2538649814 is a deficient number, since it is larger than the sum of its proper divisors (1494285754).

2538649814 is a wasteful number, since it uses less digits than its factorization.

2538649814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17839.

The product of its digits is 1658880, while the sum is 50.

The square root of 2538649814 is about 50385.0157685795. The cubic root of 2538649814 is about 1364.1671876061.

The spelling of 2538649814 in words is "two billion, five hundred thirty-eight million, six hundred forty-nine thousand, eight hundred fourteen".