492905505317 has 2 divisors, whose sum is σ = 492905505318. Its totient is φ = 492905505316.

The previous prime is 492905505311. The next prime is 492905505359. The reversal of 492905505317 is 713505509294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418021730116 + 74883775201 = 646546^2 + 273649^2 .

It is a cyclic number.

It is not a de Polignac number, because 492905505317 - 2²² = 492901311013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492905505311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246452752658 + 246452752659.

It is an arithmetic number, because the mean of its divisors is an integer number (246452752659).

Almost surely, 2^492905505317 is an apocalyptic number.

It is an amenable number.

492905505317 is a deficient number, since it is larger than the sum of its proper divisors (1).

492905505317 is an equidigital number, since it uses as much as digits as its factorization.

492905505317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 492905505317 in words is "four hundred ninety-two billion, nine hundred five million, five hundred five thousand, three hundred seventeen".