41993129779 has 2 divisors, whose sum is σ = 41993129780. Its totient is φ = 41993129778.

The previous prime is 41993129771. The next prime is 41993129861. The reversal of 41993129779 is 97792139914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41993129779 - 2³ = 41993129771 is a prime.

It is not a weakly prime, because it can be changed into another prime (41993129771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20996564889 + 20996564890.

It is an arithmetic number, because the mean of its divisors is an integer number (20996564890).

Almost surely, 2^41993129779 is an apocalyptic number.

41993129779 is a deficient number, since it is larger than the sum of its proper divisors (1).

41993129779 is an equidigital number, since it uses as much as digits as its factorization.

41993129779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 61.

The spelling of 41993129779 in words is "forty-one billion, nine hundred ninety-three million, one hundred twenty-nine thousand, seven hundred seventy-nine".