5243198378 has 96 divisors (see below), whose sum is σ = 9487824192. Its totient is φ = 2162603520.

The previous prime is 5243198329. The next prime is 5243198459. The reversal of 5243198378 is 8738913425.

It is a super-2 number, since 2×5243198378² = 54982258462123661768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18928376 + ... + 18928652.

It is an arithmetic number, because the mean of its divisors is an integer number (98831502).

Almost surely, 2^5243198378 is an apocalyptic number.

5243198378 is a deficient number, since it is larger than the sum of its proper divisors (4244625814).

5243198378 is a wasteful number, since it uses less digits than its factorization.

5243198378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 457 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 5243198378 is about 72409.9328683572. The cubic root of 5243198378 is about 1737.2624387385.

The spelling of 5243198378 in words is "five billion, two hundred forty-three million, one hundred ninety-eight thousand, three hundred seventy-eight".