494949850 has 24 divisors (see below), whose sum is σ = 921227868. Its totient is φ = 197846400.

The previous prime is 494949821. The next prime is 494949863. The reversal of 494949850 is 58949494.

It can be written as a sum of positive squares in 6 ways, for example, as 273803209 + 221146641 = 16547^2 + 14871^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108822 + ... + 113278.

Almost surely, 2^494949850 is an apocalyptic number.

494949850 is a deficient number, since it is larger than the sum of its proper divisors (426278018).

494949850 is a wasteful number, since it uses less digits than its factorization.

494949850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 494949850 is about 22247.4683953029. The cubic root of 494949850 is about 791.0192739956.

The spelling of 494949850 in words is "four hundred ninety-four million, nine hundred forty-nine thousand, eight hundred fifty".