6428215048 has 8 divisors (see below), whose sum is σ = 12052903230. Its totient is φ = 3214107520.

The previous prime is 6428215043. The next prime is 6428215061. The reversal of 6428215048 is 8405128246.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5446144804 + 982070244 = 73798^2 + 31338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6428215048.

It is not an unprimeable number, because it can be changed into a prime (6428215043) 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 as a sum of consecutive naturals, namely, 401763433 + ... + 401763448.

Almost surely, 2^6428215048 is an apocalyptic number.

It is an amenable number.

6428215048 is a deficient number, since it is larger than the sum of its proper divisors (5624688182).

6428215048 is a wasteful number, since it uses less digits than its factorization.

6428215048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803526887 (or 803526883 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 6428215048 is about 80176.1501195960. The cubic root of 6428215048 is about 1859.3599223552.

The spelling of 6428215048 in words is "six billion, four hundred twenty-eight million, two hundred fifteen thousand, forty-eight".