647353205481135 has 32 divisors (see below), whose sum is σ = 1036125842669568. Its totient is φ = 345134818339200.

The previous prime is 647353205481083. The next prime is 647353205481163. The reversal of 647353205481135 is 531184502353746.

It is not a de Polignac number, because 647353205481135 - 2⁹ = 647353205480623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790878585 + ... + 791696685.

It is an arithmetic number, because the mean of its divisors is an integer number (32378932583424).

Almost surely, 2^{647353205481135} is an apocalyptic number.

647353205481135 is a deficient number, since it is larger than the sum of its proper divisors (388772637188433).

647353205481135 is a wasteful number, since it uses less digits than its factorization.

647353205481135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836415.

The product of its (nonzero) digits is 36288000, while the sum is 57.

The spelling of 647353205481135 in words is "six hundred forty-seven trillion, three hundred fifty-three billion, two hundred five million, four hundred eighty-one thousand, one hundred thirty-five".