5242134249 has 24 divisors (see below), whose sum is σ = 8263225152. Its totient is φ = 3175938720.

The previous prime is 5242134223. The next prime is 5242134251. The reversal of 5242134249 is 9424312425.

It is a happy number.

It is not a de Polignac number, because 5242134249 - 2⁸ = 5242133993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5242134269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341667 + ... + 356679.

It is an arithmetic number, because the mean of its divisors is an integer number (344301048).

Almost surely, 2^5242134249 is an apocalyptic number.

It is an amenable number.

5242134249 is a deficient number, since it is larger than the sum of its proper divisors (3021090903).

5242134249 is a wasteful number, since it uses less digits than its factorization.

5242134249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18557 (or 18554 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 5242134249 is about 72402.5845464097. The cubic root of 5242134249 is about 1737.1449025652.

The spelling of 5242134249 in words is "five billion, two hundred forty-two million, one hundred thirty-four thousand, two hundred forty-nine".