6428504744 has 16 divisors (see below), whose sum is σ = 12233349600. Its totient is φ = 3166278192.

The previous prime is 6428504743. The next prime is 6428504777. The reversal of 6428504744 is 4474058246.

It is a junction number, because it is equal to n+sod(n) for n = 6428504695 and 6428504704.

It is not an unprimeable number, because it can be changed into a prime (6428504741) 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, 5996204 + ... + 5997275.

It is an arithmetic number, because the mean of its divisors is an integer number (764584350).

Almost surely, 2^6428504744 is an apocalyptic number.

It is an amenable number.

6428504744 is a deficient number, since it is larger than the sum of its proper divisors (5804844856).

6428504744 is a wasteful number, since it uses less digits than its factorization.

6428504744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993552 (or 11993548 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 44.

The square root of 6428504744 is about 80177.9567212834. The cubic root of 6428504744 is about 1859.3878534390.

The spelling of 6428504744 in words is "six billion, four hundred twenty-eight million, five hundred four thousand, seven hundred forty-four".