6450070000 has 200 divisors, whose sum is σ = 17180900352. Its totient is φ = 2325600000.

The previous prime is 6450069991. The next prime is 6450070013. The reversal of 6450070000 is 700546.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21009847 + ... + 21010153.

Almost surely, 2^6450070000 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 6450070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8590450176).

6450070000 is an abundant number, since it is smaller than the sum of its proper divisors (10730830352).

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

6450070000 is a wasteful number, since it uses less digits than its factorization.

6450070000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 6450070000 is about 80312.3278208271. The cubic root of 6450070000 is about 1861.4647189960.

Adding to 6450070000 its reverse (700546), we get a palindrome (6450770546).

The spelling of 6450070000 in words is "six billion, four hundred fifty million, seventy thousand".