6489104545 has 96 divisors (see below), whose sum is σ = 10122368256. Its totient is φ = 3948134400.

The previous prime is 6489104509. The next prime is 6489104551. The reversal of 6489104545 is 5454019846.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6489104545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6489104495 and 6489104504.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26925625 + ... + 26925865.

It is an arithmetic number, because the mean of its divisors is an integer number (105441336).

Almost surely, 2^6489104545 is an apocalyptic number.

It is an amenable number.

6489104545 is a deficient number, since it is larger than the sum of its proper divisors (3633263711).

6489104545 is a wasteful number, since it uses less digits than its factorization.

6489104545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 6489104545 is about 80554.9783998481. The cubic root of 6489104545 is about 1865.2122412012.

The spelling of 6489104545 in words is "six billion, four hundred eighty-nine million, one hundred four thousand, five hundred forty-five".