6428804503 has 4 divisors (see below), whose sum is σ = 7013241288. Its totient is φ = 5844367720.

The previous prime is 6428804461. The next prime is 6428804509. The reversal of 6428804503 is 3054088246.

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 6428804503 - 2¹⁷ = 6428673431 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 (6428804509) 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, 292218376 + ... + 292218397.

It is an arithmetic number, because the mean of its divisors is an integer number (1753310322).

Almost surely, 2^6428804503 is an apocalyptic number.

6428804503 is a deficient number, since it is larger than the sum of its proper divisors (584436785).

6428804503 is a wasteful number, since it uses less digits than its factorization.

6428804503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584436784.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 6428804503 is about 80179.8260349821. The cubic root of 6428804503 is about 1859.4167538652.

The spelling of 6428804503 in words is "six billion, four hundred twenty-eight million, eight hundred four thousand, five hundred three".