647353205481000 has 128 divisors (see below), whose sum is σ = 2020196837093760. Its totient is φ = 172588646592000.

The previous prime is 647353205480921. The next prime is 647353205481011. The reversal of 647353205481000 is 184502353746.

647353205481000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×647353205481000² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10971574 + ... + 37617573.

It is an arithmetic number, because the mean of its divisors is an integer number (15782787789795).

Almost surely, 2^{647353205481000} is an apocalyptic number.

647353205481000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

647353205481000 is an abundant number, since it is smaller than the sum of its proper divisors (1372843631612760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647353205481000 is a wasteful number, since it uses less digits than its factorization.

647353205481000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48593612 (or 48593598 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 647353205481000 in words is "six hundred forty-seven trillion, three hundred fifty-three billion, two hundred five million, four hundred eighty-one thousand".