1920491308713 has 8 divisors (see below), whose sum is σ = 2563908772768. Its totient is φ = 1278700691904.

The previous prime is 1920491308667. The next prime is 1920491308739. The reversal of 1920491308713 is 3178031940291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1920491308713 - 2¹⁰ = 1920491307689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920491308313) 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 7 ways as a sum of consecutive naturals, for example, 406709056 + ... + 406713777.

It is an arithmetic number, because the mean of its divisors is an integer number (320488596596).

Almost surely, 2^{1920491308713} is an apocalyptic number.

It is an amenable number.

1920491308713 is a deficient number, since it is larger than the sum of its proper divisors (643417464055).

1920491308713 is an equidigital number, since it uses as much as digits as its factorization.

1920491308713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813423623.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 1920491308713 in words is "one trillion, nine hundred twenty billion, four hundred ninety-one million, three hundred eight thousand, seven hundred thirteen".