5428038409 has 16 divisors (see below), whose sum is σ = 5852831040. Its totient is φ = 5015208960.

The previous prime is 5428038397. The next prime is 5428038419. The reversal of 5428038409 is 9048308245.

It is a cyclic number.

It is not a de Polignac number, because 5428038409 - 2¹⁵ = 5428005641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5428038419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810097 + ... + 816769.

It is an arithmetic number, because the mean of its divisors is an integer number (365801940).

Almost surely, 2^5428038409 is an apocalyptic number.

5428038409 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5428038409 is a deficient number, since it is larger than the sum of its proper divisors (424792631).

5428038409 is a wasteful number, since it uses less digits than its factorization.

5428038409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 5428038409 is about 73675.2224903325. Note that the first 3 decimals coincide. The cubic root of 5428038409 is about 1757.4418768781.

The spelling of 5428038409 in words is "five billion, four hundred twenty-eight million, thirty-eight thousand, four hundred nine".