4971438842 has 8 divisors (see below), whose sum is σ = 7523151156. Its totient is φ = 2463721792.

The previous prime is 4971438827. The next prime is 4971438869. The reversal of 4971438842 is 2488341794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4415469601 + 555969241 = 66449^2 + 23579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10998533 + ... + 10998984.

Almost surely, 2^4971438842 is an apocalyptic number.

4971438842 is a deficient number, since it is larger than the sum of its proper divisors (2551712314).

4971438842 is a wasteful number, since it uses less digits than its factorization.

4971438842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21997632.

The product of its digits is 1548288, while the sum is 50.

The square root of 4971438842 is about 70508.4309994202. The cubic root of 4971438842 is about 1706.7138011800.

The spelling of 4971438842 in words is "four billion, nine hundred seventy-one million, four hundred thirty-eight thousand, eight hundred forty-two".