1742049417679 has 2 divisors, whose sum is σ = 1742049417680. Its totient is φ = 1742049417678.

The previous prime is 1742049417673. The next prime is 1742049417739. The reversal of 1742049417679 is 9767149402471.

It is a weak prime.

It is an emirp because it is prime and its reverse (9767149402471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1742049417679 - 2⁹ = 1742049417167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742049417673) 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, 871024708839 + 871024708840.

It is an arithmetic number, because the mean of its divisors is an integer number (871024708840).

Almost surely, 2^{1742049417679} is an apocalyptic number.

1742049417679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742049417679 is an equidigital number, since it uses as much as digits as its factorization.

1742049417679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 1742049417679 in words is "one trillion, seven hundred forty-two billion, forty-nine million, four hundred seventeen thousand, six hundred seventy-nine".