6404455111 has 2 divisors, whose sum is σ = 6404455112. Its totient is φ = 6404455110.

The previous prime is 6404455073. The next prime is 6404455139. The reversal of 6404455111 is 1115544046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6404455111 - 2¹⁷ = 6404324039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6404455151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202227555 + 3202227556.

It is an arithmetic number, because the mean of its divisors is an integer number (3202227556).

Almost surely, 2^6404455111 is an apocalyptic number.

6404455111 is a deficient number, since it is larger than the sum of its proper divisors (1).

6404455111 is an equidigital number, since it uses as much as digits as its factorization.

6404455111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 6404455111 is about 80027.8395997293. The cubic root of 6404455111 is about 1857.0662417176.

Adding to 6404455111 its reverse (1115544046), we get a palindrome (7519999157).

The spelling of 6404455111 in words is "six billion, four hundred four million, four hundred fifty-five thousand, one hundred eleven".