5298742668 has 96 divisors (see below), whose sum is σ = 13247539200. Its totient is φ = 1644724224.

The previous prime is 5298742663. The next prime is 5298742679. The reversal of 5298742668 is 8662478925.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5298742663) 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 31 ways as a sum of consecutive naturals, for example, 1590028 + ... + 1593356.

It is an arithmetic number, because the mean of its divisors is an integer number (137995200).

Almost surely, 2^5298742668 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 5298742668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6623769600).

5298742668 is an abundant number, since it is smaller than the sum of its proper divisors (7948796532).

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

5298742668 is a wasteful number, since it uses less digits than its factorization.

5298742668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511 (or 3509 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The square root of 5298742668 is about 72792.4629889661. The cubic root of 5298742668 is about 1743.3755177075.

The spelling of 5298742668 in words is "five billion, two hundred ninety-eight million, seven hundred forty-two thousand, six hundred sixty-eight".