5128409516 has 24 divisors (see below), whose sum is σ = 9532658016. Its totient is φ = 2405745920.

The previous prime is 5128409459. The next prime is 5128409543. The reversal of 5128409516 is 6159048215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97400 + ... + 140511.

It is an arithmetic number, because the mean of its divisors is an integer number (397194084).

Almost surely, 2^5128409516 is an apocalyptic number.

It is an amenable number.

5128409516 is a deficient number, since it is larger than the sum of its proper divisors (4404248500).

5128409516 is a wasteful number, since it uses less digits than its factorization.

5128409516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238249 (or 238247 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 5128409516 is about 71612.9144498393. The cubic root of 5128409516 is about 1724.4908688311.

The spelling of 5128409516 in words is "five billion, one hundred twenty-eight million, four hundred nine thousand, five hundred sixteen".