5128903403 has 4 divisors (see below), whose sum is σ = 5523434448. Its totient is φ = 4734372360.

The previous prime is 5128903393. The next prime is 5128903427. The reversal of 5128903403 is 3043098215.

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 5128903403 - 2²⁶ = 5061794539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128903463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197265503 + ... + 197265528.

It is an arithmetic number, because the mean of its divisors is an integer number (1380858612).

Almost surely, 2^5128903403 is an apocalyptic number.

5128903403 is a deficient number, since it is larger than the sum of its proper divisors (394531045).

5128903403 is a wasteful number, since it uses less digits than its factorization.

5128903403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394531044.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 5128903403 is about 71616.3626764163. The cubic root of 5128903403 is about 1724.5462255832.

The spelling of 5128903403 in words is "five billion, one hundred twenty-eight million, nine hundred three thousand, four hundred three".