6312242642 has 4 divisors (see below), whose sum is σ = 9468363966. Its totient is φ = 3156121320.

The previous prime is 6312242633. The next prime is 6312242693. The reversal of 6312242642 is 2462422136.

It is a happy number.

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., 4446089041 + 1866153601 = 66679^2 + 43199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6312242599 and 6312242608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578060659 + ... + 1578060662.

Almost surely, 2^6312242642 is an apocalyptic number.

6312242642 is a deficient number, since it is larger than the sum of its proper divisors (3156121324).

6312242642 is a wasteful number, since it uses less digits than its factorization.

6312242642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156121323.

The product of its digits is 27648, while the sum is 32.

The square root of 6312242642 is about 79449.6232967784. The cubic root of 6312242642 is about 1848.1103316825.

Adding to 6312242642 its reverse (2462422136), we get a palindrome (8774664778).

The spelling of 6312242642 in words is "six billion, three hundred twelve million, two hundred forty-two thousand, six hundred forty-two".