6513370000 has 100 divisors (see below), whose sum is σ = 16455732480. Its totient is φ = 2491984000.

The previous prime is 6513369997. The next prime is 6513370001. The reversal of 6513370000 is 733156.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (6513370001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 215841 + ... + 244159.

Almost surely, 2^6513370000 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 6513370000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8227866240).

6513370000 is an abundant number, since it is smaller than the sum of its proper divisors (9942362480).

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

6513370000 is a wasteful number, since it uses less digits than its factorization.

6513370000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28370 (or 28349 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 6513370000 is about 80705.4521082684. The cubic root of 6513370000 is about 1867.5342834652.

The spelling of 6513370000 in words is "six billion, five hundred thirteen million, three hundred seventy thousand".