505795059997 has 2 divisors, whose sum is σ = 505795059998. Its totient is φ = 505795059996.

The previous prime is 505795059943. The next prime is 505795060003. The reversal of 505795059997 is 799950597505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462326562916 + 43468497081 = 679946^2 + 208491^2 .

It is a cyclic number.

It is not a de Polignac number, because 505795059997 - 2¹¹ = 505795057949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505795059907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252897529998 + 252897529999.

It is an arithmetic number, because the mean of its divisors is an integer number (252897529999).

Almost surely, 2^505795059997 is an apocalyptic number.

It is an amenable number.

505795059997 is a deficient number, since it is larger than the sum of its proper divisors (1).

505795059997 is an equidigital number, since it uses as much as digits as its factorization.

505795059997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200930625, while the sum is 70.

The spelling of 505795059997 in words is "five hundred five billion, seven hundred ninety-five million, fifty-nine thousand, nine hundred ninety-seven".