6453680724528 has 40 divisors (see below), whose sum is σ = 16673089478976. Its totient is φ = 2151087432000.

The previous prime is 6453680724493. The next prime is 6453680724613. The reversal of 6453680724528 is 8254270863546.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3609258 + ... + 5092553.

Almost surely, 2^{6453680724528} is an apocalyptic number.

It is an amenable number.

6453680724528 is an abundant number, since it is smaller than the sum of its proper divisors (10219408754448).

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

6453680724528 is a wasteful number, since it uses less digits than its factorization.

6453680724528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717273 (or 8717267 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 60.

The spelling of 6453680724528 in words is "six trillion, four hundred fifty-three billion, six hundred eighty million, seven hundred twenty-four thousand, five hundred twenty-eight".