505405464059 has 2 divisors, whose sum is σ = 505405464060. Its totient is φ = 505405464058.

The previous prime is 505405464023. The next prime is 505405464089. The reversal of 505405464059 is 950464504505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505405464059 is a prime.

It is not a weakly prime, because it can be changed into another prime (505405464019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252702732029 + 252702732030.

It is an arithmetic number, because the mean of its divisors is an integer number (252702732030).

Almost surely, 2^505405464059 is an apocalyptic number.

505405464059 is a deficient number, since it is larger than the sum of its proper divisors (1).

505405464059 is an equidigital number, since it uses as much as digits as its factorization.

505405464059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 505405464059 in words is "five hundred five billion, four hundred five million, four hundred sixty-four thousand, fifty-nine".