6489284450 has 72 divisors (see below), whose sum is σ = 13427984304. Its totient is φ = 2331128800.

The previous prime is 6489284449. The next prime is 6489284519. The reversal of 6489284450 is 544829846.

It is a super-2 number, since 2×6489284450² = 84221625346023605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 495689 + ... + 508611.

It is an arithmetic number, because the mean of its divisors is an integer number (186499782).

Almost surely, 2^6489284450 is an apocalyptic number.

6489284450 is an abundant number, since it is smaller than the sum of its proper divisors (6938699854).

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

6489284450 is a wasteful number, since it uses less digits than its factorization.

6489284450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040 (or 13024 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The square root of 6489284450 is about 80556.0950518333. The cubic root of 6489284450 is about 1865.2294781921.

The spelling of 6489284450 in words is "six billion, four hundred eighty-nine million, two hundred eighty-four thousand, four hundred fifty".