492666135749 has 2 divisors, whose sum is σ = 492666135750. Its totient is φ = 492666135748.

The previous prime is 492666135727. The next prime is 492666135757. The reversal of 492666135749 is 947531666294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313284239524 + 179381896225 = 559718^2 + 423535^2 .

It is a cyclic number.

It is not a de Polignac number, because 492666135749 - 2¹² = 492666131653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 492666135691 and 492666135700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492666135149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246333067874 + 246333067875.

It is an arithmetic number, because the mean of its divisors is an integer number (246333067875).

Almost surely, 2^492666135749 is an apocalyptic number.

It is an amenable number.

492666135749 is a deficient number, since it is larger than the sum of its proper divisors (1).

492666135749 is an equidigital number, since it uses as much as digits as its factorization.

492666135749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 62.

The spelling of 492666135749 in words is "four hundred ninety-two billion, six hundred sixty-six million, one hundred thirty-five thousand, seven hundred forty-nine".