2117146043 has 4 divisors (see below), whose sum is σ = 2143945440. Its totient is φ = 2090346648.

The previous prime is 2117146033. The next prime is 2117146049. The reversal of 2117146043 is 3406417112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2117146043 - 2⁴ = 2117146027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2117145997 and 2117146015.

It is not an unprimeable number, because it can be changed into a prime (2117146049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13399580 + ... + 13399737.

It is an arithmetic number, because the mean of its divisors is an integer number (535986360).

Almost surely, 2^2117146043 is an apocalyptic number.

2117146043 is a deficient number, since it is larger than the sum of its proper divisors (26799397).

2117146043 is an equidigital number, since it uses as much as digits as its factorization.

2117146043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26799396.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2117146043 is about 46012.4553028851. The cubic root of 2117146043 is about 1284.0549391693.

The spelling of 2117146043 in words is "two billion, one hundred seventeen million, one hundred forty-six thousand, forty-three".