492685392469 has 2 divisors, whose sum is σ = 492685392470. Its totient is φ = 492685392468.

The previous prime is 492685392467. The next prime is 492685392533. The reversal of 492685392469 is 964293586294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392489720100 + 100195672369 = 626490^2 + 316537^2 .

It is a cyclic number.

It is not a de Polignac number, because 492685392469 - 2¹ = 492685392467 is a prime.

It is a super-2 number, since 2×492685392469² (a number of 24 digits) contains 22 as substring.

Together with 492685392467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492685392467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246342696234 + 246342696235.

It is an arithmetic number, because the mean of its divisors is an integer number (246342696235).

Almost surely, 2^492685392469 is an apocalyptic number.

It is an amenable number.

492685392469 is a deficient number, since it is larger than the sum of its proper divisors (1).

492685392469 is an equidigital number, since it uses as much as digits as its factorization.

492685392469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201553920, while the sum is 67.

The spelling of 492685392469 in words is "four hundred ninety-two billion, six hundred eighty-five million, three hundred ninety-two thousand, four hundred sixty-nine".