6459297800 has 36 divisors (see below), whose sum is σ = 15020510445. Its totient is φ = 2583264480.

The previous prime is 6459297797. The next prime is 6459297833. The reversal of 6459297800 is 87929546.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 6330111844 + 129185956 = 79562^2 + 11366^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=56830.

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 8 ways as a sum of consecutive naturals, for example, 1133759 + ... + 1139441.

Almost surely, 2^6459297800 is an apocalyptic number.

It is an amenable number.

6459297800 is an abundant number, since it is smaller than the sum of its proper divisors (8561212645).

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

6459297800 is an frugal number, since it uses more digits than its factorization.

6459297800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382 (or 5690 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 6459297800 is about 80369.7567496630. The cubic root of 6459297800 is about 1862.3519982090.

Multiplying 6459297800 by its sum of digits (50), we get a square (322964890000 = 568300²).

6459297800 divided by its sum of digits (50) gives a square (129185956 = 11366²).

The spelling of 6459297800 in words is "six billion, four hundred fifty-nine million, two hundred ninety-seven thousand, eight hundred".