6562990000 has 400 divisors, whose sum is σ = 19454022720. Its totient is φ = 2096640000.

The previous prime is 6562989997. The next prime is 6562990001. The reversal of 6562990000 is 992656.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is not an unprimeable number, because it can be changed into a prime (6562990001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 107589970 + ... + 107590030.

Almost surely, 2^6562990000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6562990000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9727011360).

6562990000 is an abundant number, since it is smaller than the sum of its proper divisors (12891032720).

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

6562990000 is a wasteful number, since it uses less digits than its factorization.

6562990000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 6562990000 is about 81012.2830193052. The cubic root of 6562990000 is about 1872.2646930731.

The spelling of 6562990000 in words is "six billion, five hundred sixty-two million, nine hundred ninety thousand".