492641449 has 8 divisors (see below), whose sum is σ = 500387112. Its totient is φ = 484922880.

The previous prime is 492641447. The next prime is 492641459. The reversal of 492641449 is 944146294.

It can be written as a sum of positive squares in 4 ways, for example, as 3125824 + 489515625 = 1768^2 + 22125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 492641449 - 2¹ = 492641447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492641447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31557 + ... + 44509.

It is an arithmetic number, because the mean of its divisors is an integer number (62548389).

Almost surely, 2^492641449 is an apocalyptic number.

It is an amenable number.

492641449 is a deficient number, since it is larger than the sum of its proper divisors (7745663).

492641449 is a wasteful number, since it uses less digits than its factorization.

492641449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13547.

The product of its digits is 248832, while the sum is 43.

The square root of 492641449 is about 22195.5276801431. The cubic root of 492641449 is about 789.7876099450.

The spelling of 492641449 in words is "four hundred ninety-two million, six hundred forty-one thousand, four hundred forty-nine".