6503512842 has 40 divisors (see below), whose sum is σ = 14736456900. Its totient is φ = 2143475136.

The previous prime is 6503512837. The next prime is 6503512853. The reversal of 6503512842 is 2482153056.

6503512842 is a `hidden beast` number, since 65 + 0 + 3 + 512 + 84 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5107817961 + 1395694881 = 71469^2 + 37359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6503512797 and 6503512806.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 211117 + ... + 239952.

Almost surely, 2^6503512842 is an apocalyptic number.

6503512842 is an abundant number, since it is smaller than the sum of its proper divisors (8232944058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6503512842 is a wasteful number, since it uses less digits than its factorization.

6503512842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451172 (or 451163 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 6503512842 is about 80644.3602615831. The cubic root of 6503512842 is about 1866.5917158611.

Adding to 6503512842 its reverse (2482153056), we get a palindrome (8985665898).

It can be divided in two parts, 65035 and 12842, that added together give a palindrome (77877).

The spelling of 6503512842 in words is "six billion, five hundred three million, five hundred twelve thousand, eight hundred forty-two".