791787133650103 has 2 divisors, whose sum is σ = 791787133650104. Its totient is φ = 791787133650102.

The previous prime is 791787133650053. The next prime is 791787133650109. The reversal of 791787133650103 is 301056331787197.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791787133650103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791787133650109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395893566825051 + 395893566825052.

It is an arithmetic number, because the mean of its divisors is an integer number (395893566825052).

Almost surely, 2^{791787133650103} is an apocalyptic number.

791787133650103 is a deficient number, since it is larger than the sum of its proper divisors (1).

791787133650103 is an equidigital number, since it uses as much as digits as its factorization.

791787133650103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20003760, while the sum is 61.

The spelling of 791787133650103 in words is "seven hundred ninety-one trillion, seven hundred eighty-seven billion, one hundred thirty-three million, six hundred fifty thousand, one hundred three".