6459453000 has 1024 divisors, whose sum is σ = 30191616000. Its totient is φ = 1233792000.

The previous prime is 6459452983. The next prime is 6459453023. The reversal of 6459453000 is 3549546.

It is a happy number.

6459453000 is a `hidden beast` number, since 64 + 594 + 5 + 3 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 27026881 + ... + 27027119.

It is an arithmetic number, because the mean of its divisors is an integer number (29484000).

Almost surely, 2^6459453000 is an apocalyptic number.

6459453000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6459453000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15095808000).

6459453000 is an abundant number, since it is smaller than the sum of its proper divisors (23732163000).

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

6459453000 is a wasteful number, since it uses less digits than its factorization.

6459453000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 6459453000 is about 80370.7222811889. The cubic root of 6459453000 is about 1862.3669139023.

The spelling of 6459453000 in words is "six billion, four hundred fifty-nine million, four hundred fifty-three thousand".