2439134851 has 4 divisors (see below), whose sum is σ = 2448409392. Its totient is φ = 2429860312.

The previous prime is 2439134809. The next prime is 2439134879. The reversal of 2439134851 is 1584319342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2439134851 - 2⁷ = 2439134723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2439134051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636876 + ... + 4637401.

It is an arithmetic number, because the mean of its divisors is an integer number (612102348).

Almost surely, 2^2439134851 is an apocalyptic number.

2439134851 is a deficient number, since it is larger than the sum of its proper divisors (9274541).

2439134851 is an equidigital number, since it uses as much as digits as its factorization.

2439134851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274540.

The product of its digits is 103680, while the sum is 40.

The square root of 2439134851 is about 49387.5981497380. The cubic root of 2439134851 is about 1346.1039661390.

The spelling of 2439134851 in words is "two billion, four hundred thirty-nine million, one hundred thirty-four thousand, eight hundred fifty-one".