492919841 has 4 divisors (see below), whose sum is σ = 492964500. Its totient is φ = 492875184.

The previous prime is 492919837. The next prime is 492919849. The reversal of 492919841 is 148919294.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 179452816 + 313467025 = 13396^2 + 17705^2 .

It is a cyclic number.

It is not a de Polignac number, because 492919841 - 2² = 492919837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492919849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7595 + ... + 32303.

It is an arithmetic number, because the mean of its divisors is an integer number (123241125).

Almost surely, 2^492919841 is an apocalyptic number.

It is an amenable number.

492919841 is a deficient number, since it is larger than the sum of its proper divisors (44659).

492919841 is a wasteful number, since it uses less digits than its factorization.

492919841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44658.

The product of its digits is 186624, while the sum is 47.

The square root of 492919841 is about 22201.7981478978. The cubic root of 492919841 is about 789.9363517594.

The spelling of 492919841 in words is "four hundred ninety-two million, nine hundred nineteen thousand, eight hundred forty-one".