6619348836 has 60 divisors (see below), whose sum is σ = 17404457532. Its totient is φ = 2193676992.

The previous prime is 6619348831. The next prime is 6619348847. The reversal of 6619348836 is 6388439166.

It can be written as a sum of positive squares in 2 ways, for example, as 2724840000 + 3894508836 = 52200^2 + 62406^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6619348831) 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 19 ways as a sum of consecutive naturals, for example, 2995 + ... + 115098.

Almost surely, 2^6619348836 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 6619348836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8702228766).

6619348836 is an abundant number, since it is smaller than the sum of its proper divisors (10785108696).

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

6619348836 is a wasteful number, since it uses less digits than its factorization.

6619348836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118282 (or 118271 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 6619348836 is about 81359.3807498558. The cubic root of 6619348836 is about 1877.6087028870.

The spelling of 6619348836 in words is "six billion, six hundred nineteen million, three hundred forty-eight thousand, eight hundred thirty-six".