6215316242 has 4 divisors (see below), whose sum is σ = 9322974366. Its totient is φ = 3107658120.

The previous prime is 6215316199. The next prime is 6215316253. The reversal of 6215316242 is 2426135126.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6160837081 + 54479161 = 78491^2 + 7381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6215316199 and 6215316208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553829059 + ... + 1553829062.

Almost surely, 2^6215316242 is an apocalyptic number.

6215316242 is a deficient number, since it is larger than the sum of its proper divisors (3107658124).

6215316242 is a wasteful number, since it uses less digits than its factorization.

6215316242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107658123.

The product of its digits is 17280, while the sum is 32.

The square root of 6215316242 is about 78837.2769824022. The cubic root of 6215316242 is about 1838.6020653582.

The spelling of 6215316242 in words is "six billion, two hundred fifteen million, three hundred sixteen thousand, two hundred forty-two".