505895614493 has 2 divisors, whose sum is σ = 505895614494. Its totient is φ = 505895614492.

The previous prime is 505895614463. The next prime is 505895614531. The reversal of 505895614493 is 394416598505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426099534169 + 79796080324 = 652763^2 + 282482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505895614493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505895614463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252947807246 + 252947807247.

It is an arithmetic number, because the mean of its divisors is an integer number (252947807247).

Almost surely, 2^505895614493 is an apocalyptic number.

It is an amenable number.

505895614493 is a deficient number, since it is larger than the sum of its proper divisors (1).

505895614493 is an equidigital number, since it uses as much as digits as its factorization.

505895614493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 505895614493 in words is "five hundred five billion, eight hundred ninety-five million, six hundred fourteen thousand, four hundred ninety-three".