450000409511 has 2 divisors, whose sum is σ = 450000409512. Its totient is φ = 450000409510.

The previous prime is 450000409477. The next prime is 450000409513. The reversal of 450000409511 is 115904000054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450000409511 - 2⁶ = 450000409447 is a prime.

Together with 450000409513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450000409513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225000204755 + 225000204756.

It is an arithmetic number, because the mean of its divisors is an integer number (225000204756).

Almost surely, 2^450000409511 is an apocalyptic number.

450000409511 is a deficient number, since it is larger than the sum of its proper divisors (1).

450000409511 is an equidigital number, since it uses as much as digits as its factorization.

450000409511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 450000409511 its reverse (115904000054), we get a palindrome (565904409565).

The spelling of 450000409511 in words is "four hundred fifty billion, four hundred nine thousand, five hundred eleven".