492249069 has 20 divisors (see below), whose sum is σ = 791900956. Its totient is φ = 302921856.

The previous prime is 492249049. The next prime is 492249089. The reversal of 492249069 is 960942294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (492249049) and next prime (492249089).

It can be written as a sum of positive squares in 2 ways, for example, as 32661225 + 459587844 = 5715^2 + 21438^2 .

It is not a de Polignac number, because 492249069 - 2²¹ = 490151917 is a prime.

It is a super-2 number, since 2×492249069² = 484618291862733522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492249049) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 232684 + ... + 234789.

Almost surely, 2^492249069 is an apocalyptic number.

It is an amenable number.

492249069 is a deficient number, since it is larger than the sum of its proper divisors (299651887).

492249069 is a wasteful number, since it uses less digits than its factorization.

492249069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467498 (or 467489 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 492249069 is about 22186.6867512930. The cubic root of 492249069 is about 789.5778704037.

The spelling of 492249069 in words is "four hundred ninety-two million, two hundred forty-nine thousand, sixty-nine".