6234781066 has 4 divisors (see below), whose sum is σ = 9352171602. Its totient is φ = 3117390532.

The previous prime is 6234781037. The next prime is 6234781067. The reversal of 6234781066 is 6601874326.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6601874326 = 2 ⋅3300937163.

It can be written as a sum of positive squares in only one way, i.e., 6232313025 + 2468041 = 78945^2 + 1571^2 .

It is not an unprimeable number, because it can be changed into a prime (6234781067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558695265 + ... + 1558695268.

Almost surely, 2^6234781066 is an apocalyptic number.

6234781066 is a deficient number, since it is larger than the sum of its proper divisors (3117390536).

6234781066 is a wasteful number, since it uses less digits than its factorization.

6234781066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117390535.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 6234781066 is about 78960.6298480452. The cubic root of 6234781066 is about 1840.5194132619.

The spelling of 6234781066 in words is "six billion, two hundred thirty-four million, seven hundred eighty-one thousand, sixty-six".