490953491 has 6 divisors (see below), whose sum is σ = 571109220. Its totient is φ = 420817236.

The previous prime is 490953451. The next prime is 490953509. The reversal of 490953491 is 194359094.

It is a happy number.

It is not a de Polignac number, because 490953491 - 2¹⁴ = 490937107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490953401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5009681 + ... + 5009778.

It is an arithmetic number, because the mean of its divisors is an integer number (95184870).

Almost surely, 2^490953491 is an apocalyptic number.

490953491 is a deficient number, since it is larger than the sum of its proper divisors (80155729).

490953491 is a wasteful number, since it uses less digits than its factorization.

490953491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019473 (or 10019466 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 490953491 is about 22157.4703204134. The cubic root of 490953491 is about 788.8845503218.

The spelling of 490953491 in words is "four hundred ninety million, nine hundred fifty-three thousand, four hundred ninety-one".