492709969 has 2 divisors, whose sum is σ = 492709970. Its totient is φ = 492709968.

The previous prime is 492709927. The next prime is 492709991. The reversal of 492709969 is 969907294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486643600 + 6066369 = 22060^2 + 2463^2 .

It is a cyclic number.

It is not a de Polignac number, because 492709969 - 2⁹ = 492709457 is a prime.

It is a super-2 number, since 2×492709969² = 485526227103961922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (492709069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246354984 + 246354985.

It is an arithmetic number, because the mean of its divisors is an integer number (246354985).

Almost surely, 2^492709969 is an apocalyptic number.

It is an amenable number.

492709969 is a deficient number, since it is larger than the sum of its proper divisors (1).

492709969 is an equidigital number, since it uses as much as digits as its factorization.

492709969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 492709969 is about 22197.0711806761. The cubic root of 492709969 is about 789.8242246326.

The spelling of 492709969 in words is "four hundred ninety-two million, seven hundred nine thousand, nine hundred sixty-nine".