494949471 has 4 divisors (see below), whose sum is σ = 659932632. Its totient is φ = 329966312.

The previous prime is 494949421. The next prime is 494949491. The reversal of 494949471 is 174949494.

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

It is a cyclic number.

It is not a de Polignac number, because 494949471 - 2¹⁷ = 494818399 is a prime.

It is a super-3 number, since 3×494949471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494949421) 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, 82491576 + ... + 82491581.

It is an arithmetic number, because the mean of its divisors is an integer number (164983158).

Almost surely, 2^494949471 is an apocalyptic number.

494949471 is a deficient number, since it is larger than the sum of its proper divisors (164983161).

494949471 is a wasteful number, since it uses less digits than its factorization.

494949471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164983160.

The product of its digits is 1306368, while the sum is 51.

The square root of 494949471 is about 22247.4598774781. The cubic root of 494949471 is about 791.0190720920.

The spelling of 494949471 in words is "four hundred ninety-four million, nine hundred forty-nine thousand, four hundred seventy-one".