5197500000 has 768 divisors, whose sum is σ = 23624939520. Its totient is φ = 1080000000.

The previous prime is 5197499977. The next prime is 5197500041. The reversal of 5197500000 is 57915.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 472499995 + ... + 472500005.

It is an arithmetic number, because the mean of its divisors is an integer number (30761640).

Almost surely, 2^5197500000 is an apocalyptic number.

5197500000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5197500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11812469760).

5197500000 is an abundant number, since it is smaller than the sum of its proper divisors (18427439520).

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

5197500000 is an frugal number, since it uses more digits than its factorization.

5197500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 5197500000 is about 72093.6890441875. The cubic root of 5197500000 is about 1732.2005254373.

Adding to 5197500000 its reverse (57915), we get a palindrome (5197557915).

The spelling of 5197500000 in words is "five billion, one hundred ninety-seven million, five hundred thousand".