1948316807717 has 4 divisors (see below), whose sum is σ = 2226647780256. Its totient is φ = 1669985835180.

The previous prime is 1948316807707. The next prime is 1948316807719. The reversal of 1948316807717 is 7177086138491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1948316807717 - 2¹² = 1948316803621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1948316807717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948316807719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139165486259 + ... + 139165486272.

It is an arithmetic number, because the mean of its divisors is an integer number (556661945064).

Almost surely, 2^{1948316807717} is an apocalyptic number.

It is an amenable number.

1948316807717 is a deficient number, since it is larger than the sum of its proper divisors (278330972539).

1948316807717 is an equidigital number, since it uses as much as digits as its factorization.

1948316807717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278330972538.

The product of its (nonzero) digits is 14224896, while the sum is 62.

The spelling of 1948316807717 in words is "one trillion, nine hundred forty-eight billion, three hundred sixteen million, eight hundred seven thousand, seven hundred seventeen".