6261242242 has 4 divisors (see below), whose sum is σ = 9391863366. Its totient is φ = 3130621120.

The previous prime is 6261242209. The next prime is 6261242261. The reversal of 6261242242 is 2422421626.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2422421626 = 2 ⋅1211210813.

It can be written as a sum of positive squares in only one way, i.e., 6234523681 + 26718561 = 78959^2 + 5169^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565310559 + ... + 1565310562.

Almost surely, 2^6261242242 is an apocalyptic number.

6261242242 is a deficient number, since it is larger than the sum of its proper divisors (3130621124).

6261242242 is a wasteful number, since it uses less digits than its factorization.

6261242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130621123.

The product of its digits is 18432, while the sum is 31.

The square root of 6261242242 is about 79128.0117404703. The cubic root of 6261242242 is about 1843.1195350669.

Adding to 6261242242 its reverse (2422421626), we get a palindrome (8683663868).

The spelling of 6261242242 in words is "six billion, two hundred sixty-one million, two hundred forty-two thousand, two hundred forty-two".