4124639849 has 16 divisors (see below), whose sum is σ = 4620810240. Its totient is φ = 3650010000.

The previous prime is 4124639821. The next prime is 4124639879. The reversal of 4124639849 is 9489364214.

4124639849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4124639849 - 2¹⁶ = 4124574313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4124639797 and 4124639806.

It is not an unprimeable number, because it can be changed into a prime (4124639809) 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, 28274 + ... + 95124.

It is an arithmetic number, because the mean of its divisors is an integer number (288800640).

Almost surely, 2^4124639849 is an apocalyptic number.

It is an amenable number.

4124639849 is a deficient number, since it is larger than the sum of its proper divisors (496170391).

4124639849 is a wasteful number, since it uses less digits than its factorization.

4124639849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67012.

The product of its digits is 1492992, while the sum is 50.

The square root of 4124639849 is about 64223.3590603917. The cubic root of 4124639849 is about 1603.7204890255.

The spelling of 4124639849 in words is "four billion, one hundred twenty-four million, six hundred thirty-nine thousand, eight hundred forty-nine".