6047420721851 has 4 divisors (see below), whose sum is σ = 6054460793400. Its totient is φ = 6040380650304.

The previous prime is 6047420721847. The next prime is 6047420721941. The reversal of 6047420721851 is 1581270247406.

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

It is a cyclic number.

It is not a de Polignac number, because 6047420721851 - 2² = 6047420721847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6047420721796 and 6047420721805.

It is not an unprimeable number, because it can be changed into a prime (6047426721851) 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 in 3 ways as a sum of consecutive naturals, for example, 3520034486 + ... + 3520036203.

It is an arithmetic number, because the mean of its divisors is an integer number (1513615198350).

Almost surely, 2^{6047420721851} is an apocalyptic number.

6047420721851 is a deficient number, since it is larger than the sum of its proper divisors (7040071549).

6047420721851 is an equidigital number, since it uses as much as digits as its factorization.

6047420721851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040071548.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 6047420721851 in words is "six trillion, forty-seven billion, four hundred twenty million, seven hundred twenty-one thousand, eight hundred fifty-one".