492785424421 has 2 divisors, whose sum is σ = 492785424422. Its totient is φ = 492785424420.

The previous prime is 492785424349. The next prime is 492785424431. The reversal of 492785424421 is 124424587294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286406928900 + 206378495521 = 535170^2 + 454289^2 .

It is a cyclic number.

It is not a de Polignac number, because 492785424421 - 2¹⁹ = 492784900133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492785424431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246392712210 + 246392712211.

It is an arithmetic number, because the mean of its divisors is an integer number (246392712211).

Almost surely, 2^492785424421 is an apocalyptic number.

It is an amenable number.

492785424421 is a deficient number, since it is larger than the sum of its proper divisors (1).

492785424421 is an equidigital number, since it uses as much as digits as its factorization.

492785424421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 52.

The spelling of 492785424421 in words is "four hundred ninety-two billion, seven hundred eighty-five million, four hundred twenty-four thousand, four hundred twenty-one".