6619363998 has 32 divisors (see below), whose sum is σ = 14305800096. Its totient is φ = 2029769088.

The previous prime is 6619363997. The next prime is 6619364027. The reversal of 6619363998 is 8993639166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6619363997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121965 + ... + 167672.

It is an arithmetic number, because the mean of its divisors is an integer number (447056253).

Almost surely, 2^6619363998 is an apocalyptic number.

6619363998 is an abundant number, since it is smaller than the sum of its proper divisors (7686436098).

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

6619363998 is a wasteful number, since it uses less digits than its factorization.

6619363998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289948.

The product of its digits is 11337408, while the sum is 60.

The square root of 6619363998 is about 81359.4739289777. The cubic root of 6619363998 is about 1877.6101364762.

The spelling of 6619363998 in words is "six billion, six hundred nineteen million, three hundred sixty-three thousand, nine hundred ninety-eight".