492728249329 has 2 divisors, whose sum is σ = 492728249330. Its totient is φ = 492728249328.

The previous prime is 492728249327. The next prime is 492728249357. The reversal of 492728249329 is 923942827294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320791968225 + 171936281104 = 566385^2 + 414652^2 .

It is a cyclic number.

It is not a de Polignac number, because 492728249329 - 2¹ = 492728249327 is a prime.

It is a super-2 number, since 2×492728249329² (a number of 24 digits) contains 22 as substring.

Together with 492728249327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (492728249327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246364124664 + 246364124665.

It is an arithmetic number, because the mean of its divisors is an integer number (246364124665).

Almost surely, 2^492728249329 is an apocalyptic number.

It is an amenable number.

492728249329 is a deficient number, since it is larger than the sum of its proper divisors (1).

492728249329 is an equidigital number, since it uses as much as digits as its factorization.

492728249329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 492728249329 in words is "four hundred ninety-two billion, seven hundred twenty-eight million, two hundred forty-nine thousand, three hundred twenty-nine".