6558376780233 has 6 divisors (see below), whose sum is σ = 9473210904794. Its totient is φ = 4372251186816.

The previous prime is 6558376780141. The next prime is 6558376780243. The reversal of 6558376780233 is 3320876738556.

It is a happy number.

6558376780233 is a `hidden beast` number, since 6 + 558 + 3 + 7 + 6 + 78 + 0 + 2 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4554348664464 + 2004028115769 = 2134092^2 + 1415637^2 .

It is not a de Polignac number, because 6558376780233 - 2²⁴ = 6558360003017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6558376780243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364354265560 + ... + 364354265577.

Almost surely, 2^{6558376780233} is an apocalyptic number.

It is an amenable number.

6558376780233 is a deficient number, since it is larger than the sum of its proper divisors (2914834124561).

6558376780233 is a wasteful number, since it uses less digits than its factorization.

6558376780233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728708531143 (or 728708531140 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 6558376780233 in words is "six trillion, five hundred fifty-eight billion, three hundred seventy-six million, seven hundred eighty thousand, two hundred thirty-three".