6459975580 has 24 divisors (see below), whose sum is σ = 13896827280. Its totient is φ = 2520965760.

The previous prime is 6459975499. The next prime is 6459975581. The reversal of 6459975580 is 855799546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459975581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3938190 + ... + 3939829.

It is an arithmetic number, because the mean of its divisors is an integer number (579034470).

Almost surely, 2^6459975580 is an apocalyptic number.

It is an amenable number.

6459975580 is an abundant number, since it is smaller than the sum of its proper divisors (7436851700).

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

6459975580 is a wasteful number, since it uses less digits than its factorization.

6459975580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878069 (or 7878067 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 58.

The square root of 6459975580 is about 80373.9732749352. The cubic root of 6459975580 is about 1862.4171353611.

The spelling of 6459975580 in words is "six billion, four hundred fifty-nine million, nine hundred seventy-five thousand, five hundred eighty".