505104099497 has 2 divisors, whose sum is σ = 505104099498. Its totient is φ = 505104099496.

The previous prime is 505104099473. The next prime is 505104099509. The reversal of 505104099497 is 794990401505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370423173376 + 134680926121 = 608624^2 + 366989^2 .

It is a cyclic number.

It is not a de Polignac number, because 505104099497 - 2¹⁶ = 505104033961 is a prime.

It is not a weakly prime, because it can be changed into another prime (505104099197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252552049748 + 252552049749.

It is an arithmetic number, because the mean of its divisors is an integer number (252552049749).

Almost surely, 2^505104099497 is an apocalyptic number.

It is an amenable number.

505104099497 is a deficient number, since it is larger than the sum of its proper divisors (1).

505104099497 is an equidigital number, since it uses as much as digits as its factorization.

505104099497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 505104099497 in words is "five hundred five billion, one hundred four million, ninety-nine thousand, four hundred ninety-seven".