2534778841 has 16 divisors (see below), whose sum is σ = 2922030720. Its totient is φ = 2153859840.

The previous prime is 2534778833. The next prime is 2534778859. The reversal of 2534778841 is 1488774352.

It is a cyclic number.

It is not a de Polignac number, because 2534778841 - 2³ = 2534778833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2534778821) 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, 855735 + ... + 858691.

It is an arithmetic number, because the mean of its divisors is an integer number (182626920).

Almost surely, 2^2534778841 is an apocalyptic number.

It is an amenable number.

2534778841 is a deficient number, since it is larger than the sum of its proper divisors (387251879).

2534778841 is a wasteful number, since it uses less digits than its factorization.

2534778841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984.

The product of its digits is 1505280, while the sum is 49.

The square root of 2534778841 is about 50346.5871832441. The cubic root of 2534778841 is about 1363.4734670562.

The spelling of 2534778841 in words is "two billion, five hundred thirty-four million, seven hundred seventy-eight thousand, eight hundred forty-one".