5128909003 has 4 divisors (see below), whose sum is σ = 5176842840. Its totient is φ = 5080975168.

The previous prime is 5128908997. The next prime is 5128909007. The reversal of 5128909003 is 3009098215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5128909003 - 2¹⁷ = 5128777931 is a prime.

It is a super-2 number, since 2×5128909003² = 52611415122108908018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128909007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23966758 + ... + 23966971.

It is an arithmetic number, because the mean of its divisors is an integer number (1294210710).

Almost surely, 2^5128909003 is an apocalyptic number.

5128909003 is a deficient number, since it is larger than the sum of its proper divisors (47933837).

5128909003 is a wasteful number, since it uses less digits than its factorization.

5128909003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47933836.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 5128909003 is about 71616.4017736161. The cubic root of 5128909003 is about 1724.5468532323.

The spelling of 5128909003 in words is "five billion, one hundred twenty-eight million, nine hundred nine thousand, three".