6535294189 has 2 divisors, whose sum is σ = 6535294190. Its totient is φ = 6535294188.

The previous prime is 6535294163. The next prime is 6535294193. The reversal of 6535294189 is 9814925356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6196366089 + 338928100 = 78717^2 + 18410^2 .

It is a cyclic number.

It is not a de Polignac number, because 6535294189 - 2¹³ = 6535285997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6535294289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3267647094 + 3267647095.

It is an arithmetic number, because the mean of its divisors is an integer number (3267647095).

Almost surely, 2^6535294189 is an apocalyptic number.

It is an amenable number.

6535294189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6535294189 is an equidigital number, since it uses as much as digits as its factorization.

6535294189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 52.

The square root of 6535294189 is about 80841.1664252811. The cubic root of 6535294189 is about 1869.6273280058.

The spelling of 6535294189 in words is "six billion, five hundred thirty-five million, two hundred ninety-four thousand, one hundred eighty-nine".