2538271653 has 16 divisors (see below), whose sum is σ = 3449556096. Its totient is φ = 1659893760.

The previous prime is 2538271621. The next prime is 2538271667. The reversal of 2538271653 is 3561728352.

It is a happy number.

It is not a de Polignac number, because 2538271653 - 2⁵ = 2538271621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538271753) 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, 5713 + ... + 71478.

It is an arithmetic number, because the mean of its divisors is an integer number (215597256).

Almost surely, 2^2538271653 is an apocalyptic number.

It is an amenable number.

2538271653 is a deficient number, since it is larger than the sum of its proper divisors (911284443).

2538271653 is a wasteful number, since it uses less digits than its factorization.

2538271653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77404.

The product of its digits is 302400, while the sum is 42.

The square root of 2538271653 is about 50381.2629158897. The cubic root of 2538271653 is about 1364.0994481273.

The spelling of 2538271653 in words is "two billion, five hundred thirty-eight million, two hundred seventy-one thousand, six hundred fifty-three".