6428064859 has 8 divisors (see below), whose sum is σ = 6529112352. Its totient is φ = 6327368640.

The previous prime is 6428064847. The next prime is 6428064901. The reversal of 6428064859 is 9584608246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6428064859 - 2²¹ = 6425967707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6428064359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50812 + ... + 124249.

It is an arithmetic number, because the mean of its divisors is an integer number (816139044).

Almost surely, 2^6428064859 is an apocalyptic number.

6428064859 is a deficient number, since it is larger than the sum of its proper divisors (101047493).

6428064859 is a wasteful number, since it uses less digits than its factorization.

6428064859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175637.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The square root of 6428064859 is about 80175.2134951944. The cubic root of 6428064859 is about 1859.3454415296.

The spelling of 6428064859 in words is "six billion, four hundred twenty-eight million, sixty-four thousand, eight hundred fifty-nine".