4838657849 has 4 divisors (see below), whose sum is σ = 4941608064. Its totient is φ = 4735707636.

The previous prime is 4838657839. The next prime is 4838657903. The reversal of 4838657849 is 9487568384.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4838657849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4838657791 and 4838657800.

It is not an unprimeable number, because it can be changed into a prime (4838657809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51475037 + ... + 51475130.

It is an arithmetic number, because the mean of its divisors is an integer number (1235402016).

Almost surely, 2^4838657849 is an apocalyptic number.

It is an amenable number.

4838657849 is a deficient number, since it is larger than the sum of its proper divisors (102950215).

4838657849 is a wasteful number, since it uses less digits than its factorization.

4838657849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102950214.

The product of its digits is 46448640, while the sum is 62.

The square root of 4838657849 is about 69560.4618227913. The cubic root of 4838657849 is about 1691.3817404484.

The spelling of 4838657849 in words is "four billion, eight hundred thirty-eight million, six hundred fifty-seven thousand, eight hundred forty-nine".