19446429682 has 16 divisors (see below), whose sum is σ = 29272985280. Its totient is φ = 9688828912.

The previous prime is 19446429661. The next prime is 19446429713. The reversal of 19446429682 is 28692464491.

It is a super-2 number, since 2×19446429682² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 648288 + ... + 677620.

It is an arithmetic number, because the mean of its divisors is an integer number (1829561580).

Almost surely, 2^19446429682 is an apocalyptic number.

19446429682 is a deficient number, since it is larger than the sum of its proper divisors (9826555598).

19446429682 is a wasteful number, since it uses less digits than its factorization.

19446429682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30497.

The product of its digits is 5971968, while the sum is 55.

The spelling of 19446429682 in words is "nineteen billion, four hundred forty-six million, four hundred twenty-nine thousand, six hundred eighty-two".