494979829 has 2 divisors, whose sum is σ = 494979830. Its totient is φ = 494979828.

The previous prime is 494979827. The next prime is 494979857. The reversal of 494979829 is 928979494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369024100 + 125955729 = 19210^2 + 11223^2 .

It is a cyclic number.

It is not a de Polignac number, because 494979829 - 2¹ = 494979827 is a prime.

It is a super-2 number, since 2×494979829² = 490010062233738482, which contains 22 as substring.

Together with 494979827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494979827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247489914 + 247489915.

It is an arithmetic number, because the mean of its divisors is an integer number (247489915).

Almost surely, 2^494979829 is an apocalyptic number.

It is an amenable number.

494979829 is a deficient number, since it is larger than the sum of its proper divisors (1).

494979829 is an equidigital number, since it uses as much as digits as its factorization.

494979829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The square root of 494979829 is about 22248.1421471547. The cubic root of 494979829 is about 791.0352442924.

The spelling of 494979829 in words is "four hundred ninety-four million, nine hundred seventy-nine thousand, eight hundred twenty-nine".