5128881029 has 4 divisors (see below), whose sum is σ = 5248157376. Its totient is φ = 5009604684.

The previous prime is 5128881007. The next prime is 5128881083. The reversal of 5128881029 is 9201888215.

5128881029 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5128881029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128883029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59638109 + ... + 59638194.

It is an arithmetic number, because the mean of its divisors is an integer number (1312039344).

Almost surely, 2^5128881029 is an apocalyptic number.

It is an amenable number.

5128881029 is a deficient number, since it is larger than the sum of its proper divisors (119276347).

5128881029 is a wasteful number, since it uses less digits than its factorization.

5128881029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119276346.

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 5128881029 is about 71616.2064689271. The cubic root of 5128881029 is about 1724.5437178962.

The spelling of 5128881029 in words is "five billion, one hundred twenty-eight million, eight hundred eighty-one thousand, twenty-nine".