6469463520 has 960 divisors, whose sum is σ = 27047623680. Its totient is φ = 1442230272.

The previous prime is 6469463467. The next prime is 6469463531. The reversal of 6469463520 is 253649646.

6469463520 is a `hidden beast` number, since 6 + 4 + 6 + 9 + 4 + 635 + 2 + 0 = 666.

It is a super-2 number, since 2×6469463520² = 83707916473221580800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 137648137 + ... + 137648183.

It is an arithmetic number, because the mean of its divisors is an integer number (28174608).

Almost surely, 2^6469463520 is an apocalyptic number.

6469463520 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 6469463520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13523811840).

6469463520 is an abundant number, since it is smaller than the sum of its proper divisors (20578160160).

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

6469463520 is a wasteful number, since it uses less digits than its factorization.

6469463520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 6469463520 is about 80432.9753272873. The cubic root of 6469463520 is about 1863.3284833903.

The spelling of 6469463520 in words is "six billion, four hundred sixty-nine million, four hundred sixty-three thousand, five hundred twenty".