4938155815 has 16 divisors (see below), whose sum is σ = 6260561280. Its totient is φ = 3733139200.

The previous prime is 4938155813. The next prime is 4938155843. The reversal of 4938155815 is 5185518394.

It is not a de Polignac number, because 4938155815 - 2¹ = 4938155813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4938155813) 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, 355486 + ... + 369115.

It is an arithmetic number, because the mean of its divisors is an integer number (391285080).

Almost surely, 2^4938155815 is an apocalyptic number.

4938155815 is a deficient number, since it is larger than the sum of its proper divisors (1322405465).

4938155815 is a wasteful number, since it uses less digits than its factorization.

4938155815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724682.

The product of its digits is 864000, while the sum is 49.

The square root of 4938155815 is about 70272.0130279473. The cubic root of 4938155815 is about 1702.8965400211.

The spelling of 4938155815 in words is "four billion, nine hundred thirty-eight million, one hundred fifty-five thousand, eight hundred fifteen".