1998848755533 has 32 divisors (see below), whose sum is σ = 3071059001344. Its totient is φ = 1132758551232.

The previous prime is 1998848755529. The next prime is 1998848755613. The reversal of 1998848755533 is 3355578488991.

It is not a de Polignac number, because 1998848755533 - 2² = 1998848755529 is a prime.

It is a super-2 number, since 2×1998848755533² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1998848705533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6672966 + ... + 6966072.

It is an arithmetic number, because the mean of its divisors is an integer number (95970593792).

Almost surely, 2^{1998848755533} is an apocalyptic number.

It is an amenable number.

1998848755533 is a deficient number, since it is larger than the sum of its proper divisors (1072210245811).

1998848755533 is a wasteful number, since it uses less digits than its factorization.

1998848755533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295801.

The product of its digits is 1306368000, while the sum is 75.

The spelling of 1998848755533 in words is "one trillion, nine hundred ninety-eight billion, eight hundred forty-eight million, seven hundred fifty-five thousand, five hundred thirty-three".