490953173 has 4 divisors (see below), whose sum is σ = 491347500. Its totient is φ = 490558848.

The previous prime is 490953167. The next prime is 490953227. The reversal of 490953173 is 371359094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122389969 + 368563204 = 11063^2 + 19198^2 .

It is a cyclic number.

It is not a de Polignac number, because 490953173 - 2¹⁶ = 490887637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 490953173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490953773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195290 + ... + 197787.

It is an arithmetic number, because the mean of its divisors is an integer number (122836875).

Almost surely, 2^490953173 is an apocalyptic number.

It is an amenable number.

490953173 is a deficient number, since it is larger than the sum of its proper divisors (394327).

490953173 is a wasteful number, since it uses less digits than its factorization.

490953173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394326.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 490953173 is about 22157.4631445028. The cubic root of 490953173 is about 788.8843799966.

The spelling of 490953173 in words is "four hundred ninety million, nine hundred fifty-three thousand, one hundred seventy-three".