19933683071 has 2 divisors, whose sum is σ = 19933683072. Its totient is φ = 19933683070.

The previous prime is 19933683041. The next prime is 19933683089. The reversal of 19933683071 is 17038633991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19933683071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19933683001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9966841535 + 9966841536.

It is an arithmetic number, because the mean of its divisors is an integer number (9966841536).

Almost surely, 2^19933683071 is an apocalyptic number.

19933683071 is a deficient number, since it is larger than the sum of its proper divisors (1).

19933683071 is an equidigital number, since it uses as much as digits as its factorization.

19933683071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 19933683071 in words is "nineteen billion, nine hundred thirty-three million, six hundred eighty-three thousand, seventy-one".