2005195043 has 4 divisors (see below), whose sum is σ = 2015271600. Its totient is φ = 1995118488.

The previous prime is 2005195037. The next prime is 2005195061. The reversal of 2005195043 is 3405915002.

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 2005195043 - 2⁸ = 2005194787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005194997 and 2005195015.

It is not an unprimeable number, because it can be changed into a prime (2005195013) 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, 5037980 + ... + 5038377.

It is an arithmetic number, because the mean of its divisors is an integer number (503817900).

Almost surely, 2^2005195043 is an apocalyptic number.

2005195043 is a deficient number, since it is larger than the sum of its proper divisors (10076557).

2005195043 is a wasteful number, since it uses less digits than its factorization.

2005195043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10076556.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2005195043 is about 44779.4042278367. The cubic root of 2005195043 is about 1261.0109973900.

The spelling of 2005195043 in words is "two billion, five million, one hundred ninety-five thousand, forty-three".