19682077140838 has 8 divisors (see below), whose sum is σ = 33740703670032. Its totient is φ = 8435175917496.

The previous prime is 19682077140797. The next prime is 19682077140899. The reversal of 19682077140838 is 83804177028691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 19682077140838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702931326445 + ... + 702931326472.

It is an arithmetic number, because the mean of its divisors is an integer number (4217587958754).

Almost surely, 2^{19682077140838} is an apocalyptic number.

19682077140838 is a deficient number, since it is larger than the sum of its proper divisors (14058626529194).

19682077140838 is a wasteful number, since it uses less digits than its factorization.

19682077140838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405862652926.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 19682077140838 in words is "nineteen trillion, six hundred eighty-two billion, seventy-seven million, one hundred forty thousand, eight hundred thirty-eight".