4938378784 has 24 divisors (see below), whose sum is σ = 9753515100. Its totient is φ = 2461295616.

The previous prime is 4938378779. The next prime is 4938378793. The reversal of 4938378784 is 4878738394.

It can be written as a sum of positive squares in 2 ways, for example, as 2701088784 + 2237290000 = 51972^2 + 47300^2 .

It is a super-2 number, since 2×4938378784² = 48775170028522637312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236509 + ... + 256540.

Almost surely, 2^4938378784 is an apocalyptic number.

It is an amenable number.

4938378784 is a deficient number, since it is larger than the sum of its proper divisors (4815136316).

4938378784 is a wasteful number, since it uses less digits than its factorization.

4938378784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493372 (or 493364 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The square root of 4938378784 is about 70273.5994808861. The cubic root of 4938378784 is about 1702.9221695232.

The spelling of 4938378784 in words is "four billion, nine hundred thirty-eight million, three hundred seventy-eight thousand, seven hundred eighty-four".