492741566531 has 2 divisors, whose sum is σ = 492741566532. Its totient is φ = 492741566530.

The previous prime is 492741566509. The next prime is 492741566567. The reversal of 492741566531 is 135665147294.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492741566531 is a prime.

It is a super-2 number, since 2×492741566531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (492741566231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246370783265 + 246370783266.

It is an arithmetic number, because the mean of its divisors is an integer number (246370783266).

Almost surely, 2^492741566531 is an apocalyptic number.

492741566531 is a deficient number, since it is larger than the sum of its proper divisors (1).

492741566531 is an equidigital number, since it uses as much as digits as its factorization.

492741566531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 53.

The spelling of 492741566531 in words is "four hundred ninety-two billion, seven hundred forty-one million, five hundred sixty-six thousand, five hundred thirty-one".