1983412706791 has 2 divisors, whose sum is σ = 1983412706792. Its totient is φ = 1983412706790.

The previous prime is 1983412706753. The next prime is 1983412706819. The reversal of 1983412706791 is 1976072143891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1983412706791 - 2²⁹ = 1982875835879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1983412706731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991706353395 + 991706353396.

It is an arithmetic number, because the mean of its divisors is an integer number (991706353396).

Almost surely, 2^{1983412706791} is an apocalyptic number.

1983412706791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1983412706791 is an equidigital number, since it uses as much as digits as its factorization.

1983412706791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 1983412706791 in words is "one trillion, nine hundred eighty-three billion, four hundred twelve million, seven hundred six thousand, seven hundred ninety-one".