2543135674 has 16 divisors (see below), whose sum is σ = 4020799680. Its totient is φ = 1203046560.

The previous prime is 2543135669. The next prime is 2543135677. The reversal of 2543135674 is 4765313452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2543135677) 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, 15054 + ... + 72889.

It is an arithmetic number, because the mean of its divisors is an integer number (251299980).

Almost surely, 2^2543135674 is an apocalyptic number.

2543135674 is a deficient number, since it is larger than the sum of its proper divisors (1477664006).

2543135674 is a wasteful number, since it uses less digits than its factorization.

2543135674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88725.

The product of its digits is 302400, while the sum is 40.

The square root of 2543135674 is about 50429.5119349771. The cubic root of 2543135674 is about 1364.9702210538.

The spelling of 2543135674 in words is "two billion, five hundred forty-three million, one hundred thirty-five thousand, six hundred seventy-four".