6428189052 has 24 divisors (see below), whose sum is σ = 16665675600. Its totient is φ = 2142729648.

The previous prime is 6428189029. The next prime is 6428189057. The reversal of 6428189052 is 2509818246.

It is a super-2 number, since 2×6428189052² = 82643228976505317408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6428188989 and 6428189007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428189057) 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 7 ways as a sum of consecutive naturals, for example, 29760027 + ... + 29760242.

It is an arithmetic number, because the mean of its divisors is an integer number (694403150).

Almost surely, 2^6428189052 is an apocalyptic number.

It is an amenable number.

6428189052 is an abundant number, since it is smaller than the sum of its proper divisors (10237486548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6428189052 is a wasteful number, since it uses less digits than its factorization.

6428189052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59520282 (or 59520274 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 6428189052 is about 80175.9880013960. The cubic root of 6428189052 is about 1859.3574159058.

The spelling of 6428189052 in words is "six billion, four hundred twenty-eight million, one hundred eighty-nine thousand, fifty-two".