494136677 has 4 divisors (see below), whose sum is σ = 494208780. Its totient is φ = 494064576.

The previous prime is 494136659. The next prime is 494136703. The reversal of 494136677 is 776631494.

It is a happy number.

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 366875716 + 127260961 = 19154^2 + 11281^2 .

It is a cyclic number.

It is not a de Polignac number, because 494136677 - 2¹² = 494132581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494136647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24548 + ... + 39885.

It is an arithmetic number, because the mean of its divisors is an integer number (123552195).

Almost surely, 2^494136677 is an apocalyptic number.

It is an amenable number.

494136677 is a deficient number, since it is larger than the sum of its proper divisors (72103).

494136677 is an equidigital number, since it uses as much as digits as its factorization.

494136677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72102.

The product of its digits is 762048, while the sum is 47.

The square root of 494136677 is about 22229.1852527258. The cubic root of 494136677 is about 790.5858374203.

The spelling of 494136677 in words is "four hundred ninety-four million, one hundred thirty-six thousand, six hundred seventy-seven".