5198609920 has 120 divisors (see below), whose sum is σ = 14499846504. Its totient is φ = 1782337536.

The previous prime is 5198609903. The next prime is 5198609939. The reversal of 5198609920 is 299068915.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104719 + ... + 146161.

Almost surely, 2^5198609920 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 5198609920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7249923252).

5198609920 is an abundant number, since it is smaller than the sum of its proper divisors (9301236584).

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

5198609920 is an equidigital number, since it uses as much as digits as its factorization.

5198609920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41480 (or 41457 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 5198609920 is about 72101.3863944377. The cubic root of 5198609920 is about 1732.3238197882.

The spelling of 5198609920 in words is "five billion, one hundred ninety-eight million, six hundred nine thousand, nine hundred twenty".