5129873280 has 384 divisors, whose sum is σ = 20683054080. Its totient is φ = 1147170816.

The previous prime is 5129873279. The next prime is 5129873323. The reversal of 5129873280 is 823789215.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1893687 + ... + 1896393.

It is an arithmetic number, because the mean of its divisors is an integer number (53862120).

Almost surely, 2^5129873280 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 5129873280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10341527040).

5129873280 is an abundant number, since it is smaller than the sum of its proper divisors (15553180800).

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

5129873280 is a wasteful number, since it uses less digits than its factorization.

5129873280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 5129873280 is about 71623.1336929626. The cubic root of 5129873280 is about 1724.6549227822.

The spelling of 5129873280 in words is "five billion, one hundred twenty-nine million, eight hundred seventy-three thousand, two hundred eighty".