194649838462 has 16 divisors (see below), whose sum is σ = 293602700160. Its totient is φ = 96782763168.

The previous prime is 194649838429. The next prime is 194649838463. The reversal of 194649838462 is 264838946491.

194649838462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194649838462² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194649838394 and 194649838403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194649838463) 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 7 ways as a sum of consecutive naturals, for example, 677683 + ... + 921169.

It is an arithmetic number, because the mean of its divisors is an integer number (18350168760).

Almost surely, 2^194649838462 is an apocalyptic number.

194649838462 is a deficient number, since it is larger than the sum of its proper divisors (98952861698).

194649838462 is a wasteful number, since it uses less digits than its factorization.

194649838462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245715.

The product of its digits is 71663616, while the sum is 64.

The spelling of 194649838462 in words is "one hundred ninety-four billion, six hundred forty-nine million, eight hundred thirty-eight thousand, four hundred sixty-two".