492707489 has 2 divisors, whose sum is σ = 492707490. Its totient is φ = 492707488.

The previous prime is 492707443. The next prime is 492707507. The reversal of 492707489 is 984707294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345327889 + 147379600 = 18583^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 492707489 - 2²⁰ = 491658913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (492707989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246353744 + 246353745.

It is an arithmetic number, because the mean of its divisors is an integer number (246353745).

Almost surely, 2^492707489 is an apocalyptic number.

It is an amenable number.

492707489 is a deficient number, since it is larger than the sum of its proper divisors (1).

492707489 is an equidigital number, since it uses as much as digits as its factorization.

492707489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 492707489 is about 22197.0153173799. The cubic root of 492707489 is about 789.8228994667.

The spelling of 492707489 in words is "four hundred ninety-two million, seven hundred seven thousand, four hundred eighty-nine".