1948554217603 has 8 divisors (see below), whose sum is σ = 2344125374720. Its totient is φ = 1582284627720.

The previous prime is 1948554217583. The next prime is 1948554217607. The reversal of 1948554217603 is 3067124558491.

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

It is a cyclic number.

It is not a de Polignac number, because 1948554217603 - 2¹³ = 1948554209411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948554217607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7325391663 + ... + 7325391928.

It is an arithmetic number, because the mean of its divisors is an integer number (293015671840).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1948554217603 = 3897108435206, but 3⋅1948554217603 = 5845662652809 is not.

Almost surely, 2^{1948554217603} is an apocalyptic number.

1948554217603 is a deficient number, since it is larger than the sum of its proper divisors (395571157117).

1948554217603 is a wasteful number, since it uses less digits than its factorization.

1948554217603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14650783617.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 1948554217603 in words is "one trillion, nine hundred forty-eight billion, five hundred fifty-four million, two hundred seventeen thousand, six hundred three".