2085543959403 has 16 divisors (see below), whose sum is σ = 2801599673600. Its totient is φ = 1379931651360.

The previous prime is 2085543959351. The next prime is 2085543959413. The reversal of 2085543959403 is 3049593455802.

It is not a de Polignac number, because 2085543959403 - 2⁶ = 2085543959339 is a prime.

It is a super-2 number, since 2×2085543959403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085543959413) 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, 572058 + ... + 2120928.

It is an arithmetic number, because the mean of its divisors is an integer number (175099979600).

Almost surely, 2^{2085543959403} is an apocalyptic number.

2085543959403 is a deficient number, since it is larger than the sum of its proper divisors (716055714197).

2085543959403 is a wasteful number, since it uses less digits than its factorization.

2085543959403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552242.

The product of its (nonzero) digits is 23328000, while the sum is 57.

The spelling of 2085543959403 in words is "two trillion, eighty-five billion, five hundred forty-three million, nine hundred fifty-nine thousand, four hundred three".