494358818634 has 24 divisors (see below), whose sum is σ = 1073454578820. Its totient is φ = 164425687488.

The previous prime is 494358818623. The next prime is 494358818651. The reversal of 494358818634 is 436818853494.

494358818634 is a `hidden beast` number, since 4 + 9 + 4 + 3 + 588 + 18 + 6 + 34 = 666.

494358818634 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 414497754225 + 79861064409 = 643815^2 + 282597^2 .

It is a super-2 number, since 2×494358818634² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

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, 30040329 + ... + 30056780.

Almost surely, 2^494358818634 is an apocalyptic number.

494358818634 is an abundant number, since it is smaller than the sum of its proper divisors (579095760186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494358818634 is a wasteful number, since it uses less digits than its factorization.

494358818634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60097574 (or 60097571 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 494358818634 in words is "four hundred ninety-four billion, three hundred fifty-eight million, eight hundred eighteen thousand, six hundred thirty-four".