6432278533 has 2 divisors, whose sum is σ = 6432278534. Its totient is φ = 6432278532.

The previous prime is 6432278527. The next prime is 6432278537. The reversal of 6432278533 is 3358722346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4730963524 + 1701315009 = 68782^2 + 41247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6432278533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6432278533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6432278537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216139266 + 3216139267.

It is an arithmetic number, because the mean of its divisors is an integer number (3216139267).

Almost surely, 2^6432278533 is an apocalyptic number.

It is an amenable number.

6432278533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6432278533 is an equidigital number, since it uses as much as digits as its factorization.

6432278533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 43.

The square root of 6432278533 is about 80201.4870996791. The cubic root of 6432278533 is about 1859.7516272392.

The spelling of 6432278533 in words is "six billion, four hundred thirty-two million, two hundred seventy-eight thousand, five hundred thirty-three".