2011749049979 has 2 divisors, whose sum is σ = 2011749049980. Its totient is φ = 2011749049978.

The previous prime is 2011749049967. The next prime is 2011749050009. The reversal of 2011749049979 is 9799409471102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011749049979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011749049939) 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, 1005874524989 + 1005874524990.

It is an arithmetic number, because the mean of its divisors is an integer number (1005874524990).

Almost surely, 2^{2011749049979} is an apocalyptic number.

2011749049979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011749049979 is an equidigital number, since it uses as much as digits as its factorization.

2011749049979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The spelling of 2011749049979 in words is "two trillion, eleven billion, seven hundred forty-nine million, forty-nine thousand, nine hundred seventy-nine".