6619513362 has 96 divisors (see below), whose sum is σ = 16662903936. Its totient is φ = 1716042240.

The previous prime is 6619513361. The next prime is 6619513409. The reversal of 6619513362 is 2633159166.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6619513361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3724218 + ... + 3725994.

It is an arithmetic number, because the mean of its divisors is an integer number (173571916).

Almost surely, 2^6619513362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6619513362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8331451968).

6619513362 is an abundant number, since it is smaller than the sum of its proper divisors (10043390574).

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

6619513362 is a wasteful number, since it uses less digits than its factorization.

6619513362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2533 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 6619513362 is about 81360.3918500888. The cubic root of 6619513362 is about 1877.6242589433.

The spelling of 6619513362 in words is "six billion, six hundred nineteen million, five hundred thirteen thousand, three hundred sixty-two".