6473520000 has 640 divisors, whose sum is σ = 24822679200. Its totient is φ = 1679616000.

The previous prime is 6473519999. The next prime is 6473520013. The reversal of 6473520000 is 253746.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×6473520000² = 83812922380800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 174959982 + ... + 174960018.

Almost surely, 2^6473520000 is an apocalyptic number.

6473520000 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 6473520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12411339600).

6473520000 is an abundant number, since it is smaller than the sum of its proper divisors (18349159200).

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

6473520000 is an frugal number, since it uses more digits than its factorization.

6473520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6473520000 is about 80458.1878990572. The cubic root of 6473520000 is about 1863.7178498071.

Adding to 6473520000 its reverse (253746), we get a palindrome (6473773746).

The spelling of 6473520000 in words is "six billion, four hundred seventy-three million, five hundred twenty thousand".