4939541815 has 16 divisors (see below), whose sum is σ = 6719378400. Its totient is φ = 3455678592.

The previous prime is 4939541813. The next prime is 4939541819. The reversal of 4939541815 is 5181459394.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4939541815 - 2¹ = 4939541813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939541813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998580 + ... + 2001049.

It is an arithmetic number, because the mean of its divisors is an integer number (419961150).

Almost surely, 2^4939541815 is an apocalyptic number.

4939541815 is a deficient number, since it is larger than the sum of its proper divisors (1779836585).

4939541815 is a wasteful number, since it uses less digits than its factorization.

4939541815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999666.

The product of its digits is 777600, while the sum is 49.

The square root of 4939541815 is about 70281.8740145708. The cubic root of 4939541815 is about 1703.0558433395.

The spelling of 4939541815 in words is "four billion, nine hundred thirty-nine million, five hundred forty-one thousand, eight hundred fifteen".