6428446793 has 4 divisors (see below), whose sum is σ = 6806590740. Its totient is φ = 6050302848.

The previous prime is 6428446763. The next prime is 6428446799. The reversal of 6428446793 is 3976448246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3796038544 + 2632408249 = 61612^2 + 51307^2 .

It is a cyclic number.

It is not a de Polignac number, because 6428446793 - 2¹² = 6428442697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6428446799) 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, 189071948 + ... + 189071981.

It is an arithmetic number, because the mean of its divisors is an integer number (1701647685).

Almost surely, 2^6428446793 is an apocalyptic number.

It is an amenable number.

6428446793 is a deficient number, since it is larger than the sum of its proper divisors (378143947).

6428446793 is a wasteful number, since it uses less digits than its factorization.

6428446793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378143946.

The product of its digits is 6967296, while the sum is 53.

The square root of 6428446793 is about 80177.5953306159. The cubic root of 6428446793 is about 1859.3822661517.

The spelling of 6428446793 in words is "six billion, four hundred twenty-eight million, four hundred forty-six thousand, seven hundred ninety-three".