2163443155045 has 16 divisors (see below), whose sum is σ = 2698381825920. Its totient is φ = 1663153531200.

The previous prime is 2163443155043. The next prime is 2163443155099. The reversal of 2163443155045 is 5405513443612.

It is not a de Polignac number, because 2163443155045 - 2¹ = 2163443155043 is a prime.

It is a super-2 number, since 2×2163443155045² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2163443154992 and 2163443155010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163443155043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35325561 + ... + 35386750.

It is an arithmetic number, because the mean of its divisors is an integer number (168648864120).

Almost surely, 2^{2163443155045} is an apocalyptic number.

It is an amenable number.

2163443155045 is a deficient number, since it is larger than the sum of its proper divisors (534938670875).

2163443155045 is a wasteful number, since it uses less digits than its factorization.

2163443155045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70712556.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 2163443155045 its reverse (5405513443612), we get a palindrome (7568956598657).

The spelling of 2163443155045 in words is "two trillion, one hundred sixty-three billion, four hundred forty-three million, one hundred fifty-five thousand, forty-five".