492689069 has 4 divisors (see below), whose sum is σ = 492819900. Its totient is φ = 492558240.

The previous prime is 492689039. The next prime is 492689081. The reversal of 492689069 is 960986294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168220900 + 324468169 = 12970^2 + 18013^2 .

It is a cyclic number.

It is not a de Polignac number, because 492689069 - 2⁸ = 492688813 is a prime.

It is a super-2 number, since 2×492689069² = 485485037424173522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 492689069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492689039) 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 in 3 ways as a sum of consecutive naturals, for example, 59594 + ... + 67355.

It is an arithmetic number, because the mean of its divisors is an integer number (123204975).

Almost surely, 2^492689069 is an apocalyptic number.

It is an amenable number.

492689069 is a deficient number, since it is larger than the sum of its proper divisors (130831).

492689069 is a wasteful number, since it uses less digits than its factorization.

492689069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130830.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 492689069 is about 22196.6003928530. The cubic root of 492689069 is about 789.8130567646.

The spelling of 492689069 in words is "four hundred ninety-two million, six hundred eighty-nine thousand, sixty-nine".