494949001 has 4 divisors (see below), whose sum is σ = 495115012. Its totient is φ = 494782992.

The previous prime is 494948953. The next prime is 494949083. The reversal of 494949001 is 100949494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100949494 = 2 ⋅50474747.

It can be written as a sum of positive squares in 2 ways, for example, as 453732601 + 41216400 = 21301^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 494949001 - 2¹¹ = 494946953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494940001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78450 + ... + 84523.

It is an arithmetic number, because the mean of its divisors is an integer number (123778753).

Almost surely, 2^494949001 is an apocalyptic number.

It is an amenable number.

494949001 is a deficient number, since it is larger than the sum of its proper divisors (166011).

494949001 is a wasteful number, since it uses less digits than its factorization.

494949001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166010.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 494949001 is about 22247.4493144720. The cubic root of 494949001 is about 791.0188217102.

The spelling of 494949001 in words is "four hundred ninety-four million, nine hundred forty-nine thousand, one".