1779945948347 has 16 divisors (see below), whose sum is σ = 2100620470272. Its totient is φ = 1475906952960.

The previous prime is 1779945948323. The next prime is 1779945948349. The reversal of 1779945948347 is 7438495499771.

It is a cyclic number.

It is not a de Polignac number, because 1779945948347 - 2¹⁰ = 1779945947323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1779945948349) 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 in 15 ways as a sum of consecutive naturals, for example, 927638 + ... + 2102475.

It is an arithmetic number, because the mean of its divisors is an integer number (131288779392).

Almost surely, 2^{1779945948347} is an apocalyptic number.

1779945948347 is a deficient number, since it is larger than the sum of its proper divisors (320674521925).

1779945948347 is a wasteful number, since it uses less digits than its factorization.

1779945948347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032858.

The product of its digits is 1920360960, while the sum is 77.

The spelling of 1779945948347 in words is "one trillion, seven hundred seventy-nine billion, nine hundred forty-five million, nine hundred forty-eight thousand, three hundred forty-seven".