6345765842 has 8 divisors (see below), whose sum is σ = 10250852556. Its totient is φ = 2928814992.

The previous prime is 6345765823. The next prime is 6345765851. The reversal of 6345765842 is 2485675436.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6312461401 + 33304441 = 79451^2 + 5771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 122033933 + ... + 122033984.

Almost surely, 2^6345765842 is an apocalyptic number.

6345765842 is a deficient number, since it is larger than the sum of its proper divisors (3905086714).

6345765842 is a wasteful number, since it uses less digits than its factorization.

6345765842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244067932.

The product of its digits is 4838400, while the sum is 50.

The square root of 6345765842 is about 79660.3153521250. The cubic root of 6345765842 is about 1851.3762189250.

The spelling of 6345765842 in words is "six billion, three hundred forty-five million, seven hundred sixty-five thousand, eight hundred forty-two".