647858271341 has 2 divisors, whose sum is σ = 647858271342. Its totient is φ = 647858271340.

The previous prime is 647858271301. The next prime is 647858271349. The reversal of 647858271341 is 143172858746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582298717225 + 65559554116 = 763085^2 + 256046^2 .

It is a cyclic number.

It is not a de Polignac number, because 647858271341 - 2³⁴ = 630678402157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647858271349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323929135670 + 323929135671.

It is an arithmetic number, because the mean of its divisors is an integer number (323929135671).

Almost surely, 2^647858271341 is an apocalyptic number.

It is an amenable number.

647858271341 is a deficient number, since it is larger than the sum of its proper divisors (1).

647858271341 is an equidigital number, since it uses as much as digits as its factorization.

647858271341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 56.

The spelling of 647858271341 in words is "six hundred forty-seven billion, eight hundred fifty-eight million, two hundred seventy-one thousand, three hundred forty-one".