5163778650 has 24 divisors (see below), whose sum is σ = 12806171424. Its totient is φ = 1377007600.

The previous prime is 5163778639. The next prime is 5163778651. The reversal of 5163778650 is 568773615.

It is a self number, because there is not a number n which added to its sum of digits gives 5163778650.

It is not an unprimeable number, because it can be changed into a prime (5163778651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17212446 + ... + 17212745.

It is an arithmetic number, because the mean of its divisors is an integer number (533590476).

Almost surely, 2^5163778650 is an apocalyptic number.

5163778650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5163778650 is an abundant number, since it is smaller than the sum of its proper divisors (7642392774).

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

5163778650 is a wasteful number, since it uses less digits than its factorization.

5163778650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34425206 (or 34425201 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 5163778650 is about 71859.4367498104. The cubic root of 5163778650 is about 1728.4462253971.

The spelling of 5163778650 in words is "five billion, one hundred sixty-three million, seven hundred seventy-eight thousand, six hundred fifty".