19379793621068 has 12 divisors (see below), whose sum is σ = 33915003134880. Its totient is φ = 9689792725392.

The previous prime is 19379793621053. The next prime is 19379793621119. The reversal of 19379793621068 is 86012639797391.

It is a junction number, because it is equal to n+sod(n) for n = 19379793620992 and 19379793621010.

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, 25601603 + ... + 26347706.

It is an arithmetic number, because the mean of its divisors is an integer number (2826250261240).

Almost surely, 2^{19379793621068} is an apocalyptic number.

It is an amenable number.

19379793621068 is a deficient number, since it is larger than the sum of its proper divisors (14535209513812).

19379793621068 is a wasteful number, since it uses less digits than its factorization.

19379793621068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52042576 (or 52042574 counting only the distinct ones).

The product of its (nonzero) digits is 185177664, while the sum is 71.

The spelling of 19379793621068 in words is "nineteen trillion, three hundred seventy-nine billion, seven hundred ninety-three million, six hundred twenty-one thousand, sixty-eight".