6403224287 has 2 divisors, whose sum is σ = 6403224288. Its totient is φ = 6403224286.

The previous prime is 6403224283. The next prime is 6403224307. The reversal of 6403224287 is 7824223046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6403224287 - 2² = 6403224283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6403224287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6403224283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201612143 + 3201612144.

It is an arithmetic number, because the mean of its divisors is an integer number (3201612144).

Almost surely, 2^6403224287 is an apocalyptic number.

6403224287 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403224287 is an equidigital number, since it uses as much as digits as its factorization.

6403224287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 6403224287 is about 80020.1492562967. The cubic root of 6403224287 is about 1856.9472689036.

The spelling of 6403224287 in words is "six billion, four hundred three million, two hundred twenty-four thousand, two hundred eighty-seven".