494949494 has 8 divisors (see below), whose sum is σ = 799533840. Its totient is φ = 228438216.

The previous prime is 494949491. The next prime is 494949517.

It is a happy number.

494949494 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×494949494² = 489950003221712072, which contains 22 as substring.

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

494949494 is an undulating number in base 10.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494949491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9518234 + ... + 9518285.

It is an arithmetic number, because the mean of its divisors is an integer number (99941730).

Almost surely, 2^494949494 is an apocalyptic number.

494949494 is a deficient number, since it is larger than the sum of its proper divisors (304584346).

494949494 is a wasteful number, since it uses less digits than its factorization.

494949494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19036534.

The product of its digits is 6718464, while the sum is 56.

The square root of 494949494 is about 22247.4603943911. The cubic root of 494949494 is about 791.0190843447.

The spelling of 494949494 in words is "four hundred ninety-four million, nine hundred forty-nine thousand, four hundred ninety-four".