6530378242 has 16 divisors (see below), whose sum is σ = 10365120000. Its totient is φ = 3077138160.

The previous prime is 6530378237. The next prime is 6530378263. The reversal of 6530378242 is 2428730356.

It is a junction number, because it is equal to n+sod(n) for n = 6530378195 and 6530378204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442617 + ... + 457132.

It is an arithmetic number, because the mean of its divisors is an integer number (647820000).

Almost surely, 2^6530378242 is an apocalyptic number.

6530378242 is a deficient number, since it is larger than the sum of its proper divisors (3834741758).

6530378242 is a wasteful number, since it uses less digits than its factorization.

6530378242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899961.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 6530378242 is about 80810.7557321425. The cubic root of 6530378242 is about 1869.1584231085.

The spelling of 6530378242 in words is "six billion, five hundred thirty million, three hundred seventy-eight thousand, two hundred forty-two".