645750485108 has 12 divisors (see below), whose sum is σ = 1130070842880. Its totient is φ = 322873101432.

The previous prime is 645750485069. The next prime is 645750485113. The reversal of 645750485108 is 801584057546.

645750485108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 645750485108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281933 + ... + 1170891.

It is an arithmetic number, because the mean of its divisors is an integer number (94172570240).

Almost surely, 2^645750485108 is an apocalyptic number.

It is an amenable number.

645750485108 is a deficient number, since it is larger than the sum of its proper divisors (484320357772).

645750485108 is a wasteful number, since it uses less digits than its factorization.

645750485108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070566 (or 1070564 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 645750485108 in words is "six hundred forty-five billion, seven hundred fifty million, four hundred eighty-five thousand, one hundred eight".