6445036133 has 2 divisors, whose sum is σ = 6445036134. Its totient is φ = 6445036132.

The previous prime is 6445036109. The next prime is 6445036207. The reversal of 6445036133 is 3316305446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5133292609 + 1311743524 = 71647^2 + 36218^2 .

It is a cyclic number.

It is not a de Polignac number, because 6445036133 - 2¹⁰ = 6445035109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6445036093 and 6445036102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6445036033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222518066 + 3222518067.

It is an arithmetic number, because the mean of its divisors is an integer number (3222518067).

Almost surely, 2^6445036133 is an apocalyptic number.

It is an amenable number.

6445036133 is a deficient number, since it is larger than the sum of its proper divisors (1).

6445036133 is an equidigital number, since it uses as much as digits as its factorization.

6445036133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 6445036133 is about 80280.9823868642. The cubic root of 6445036133 is about 1860.9803415895.

The spelling of 6445036133 in words is "six billion, four hundred forty-five million, thirty-six thousand, one hundred thirty-three".