6004743278921 has 2 divisors, whose sum is σ = 6004743278922. Its totient is φ = 6004743278920.

The previous prime is 6004743278903. The next prime is 6004743278923. The reversal of 6004743278921 is 1298723474006.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5226545834896 + 778197444025 = 2286164^2 + 882155^2 .

It is a cyclic number.

It is not a de Polignac number, because 6004743278921 - 2³⁰ = 6003669537097 is a prime.

Together with 6004743278923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6004743278923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002371639460 + 3002371639461.

It is an arithmetic number, because the mean of its divisors is an integer number (3002371639461).

Almost surely, 2^{6004743278921} is an apocalyptic number.

It is an amenable number.

6004743278921 is a deficient number, since it is larger than the sum of its proper divisors (1).

6004743278921 is an equidigital number, since it uses as much as digits as its factorization.

6004743278921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 6004743278921 in words is "six trillion, four billion, seven hundred forty-three million, two hundred seventy-eight thousand, nine hundred twenty-one".