494231199669 has 40 divisors (see below), whose sum is σ = 763865372160. Its totient is φ = 318079639584.

The previous prime is 494231199659. The next prime is 494231199673. The reversal of 494231199669 is 966991132494.

494231199669 is a `hidden beast` number, since 4 + 9 + 423 + 119 + 96 + 6 + 9 = 666.

It is not a de Polignac number, because 494231199669 - 2¹⁹ = 494230675381 is a prime.

It is a super-2 number, since 2×494231199669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494231199629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24623932 + ... + 24643994.

It is an arithmetic number, because the mean of its divisors is an integer number (19096634304).

Almost surely, 2^494231199669 is an apocalyptic number.

It is an amenable number.

494231199669 is a deficient number, since it is larger than the sum of its proper divisors (269634172491).

494231199669 is a wasteful number, since it uses less digits than its factorization.

494231199669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30591 (or 30582 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 63.

The spelling of 494231199669 in words is "four hundred ninety-four billion, two hundred thirty-one million, one hundred ninety-nine thousand, six hundred sixty-nine".