6281089721047 has 2 divisors, whose sum is σ = 6281089721048. Its totient is φ = 6281089721046.

The previous prime is 6281089721003. The next prime is 6281089721069. The reversal of 6281089721047 is 7401279801826.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6281089721047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6281089721077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140544860523 + 3140544860524.

It is an arithmetic number, because the mean of its divisors is an integer number (3140544860524).

Almost surely, 2^{6281089721047} is an apocalyptic number.

6281089721047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6281089721047 is an equidigital number, since it uses as much as digits as its factorization.

6281089721047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 6281089721047 in words is "six trillion, two hundred eighty-one billion, eighty-nine million, seven hundred twenty-one thousand, forty-seven".