19682357619 has 16 divisors (see below), whose sum is σ = 26342601120. Its totient is φ = 13071928320.

The previous prime is 19682357557. The next prime is 19682357683. The reversal of 19682357619 is 91675328691.

It is not a de Polignac number, because 19682357619 - 2¹¹ = 19682355571 is a prime.

It is a super-2 number, since 2×19682357619² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19682350619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967747 + ... + 987875.

It is an arithmetic number, because the mean of its divisors is an integer number (1646412570).

Almost surely, 2^19682357619 is an apocalyptic number.

19682357619 is a deficient number, since it is larger than the sum of its proper divisors (6660243501).

19682357619 is a wasteful number, since it uses less digits than its factorization.

19682357619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21350.

The product of its digits is 4898880, while the sum is 57.

The spelling of 19682357619 in words is "nineteen billion, six hundred eighty-two million, three hundred fifty-seven thousand, six hundred nineteen".