2195903043 has 6 divisors (see below), whose sum is σ = 3171859964. Its totient is φ = 1463935356.

The previous prime is 2195903033. The next prime is 2195903053. The reversal of 2195903043 is 3403095912.

It is a happy number.

2195903043 is a `hidden beast` number, since 21 + 9 + 590 + 3 + 0 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (2195903033) and next prime (2195903053).

It is not a de Polignac number, because 2195903043 - 2¹⁷ = 2195771971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2195902989 and 2195903007.

It is not an unprimeable number, because it can be changed into a prime (2195903033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121994605 + ... + 121994622.

Almost surely, 2^2195903043 is an apocalyptic number.

2195903043 is a deficient number, since it is larger than the sum of its proper divisors (975956921).

2195903043 is a wasteful number, since it uses less digits than its factorization.

2195903043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243989233 (or 243989230 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2195903043 is about 46860.4635380403. The cubic root of 2195903043 is about 1299.7836016529.

Adding to 2195903043 its reverse (3403095912), we get a palindrome (5598998955).

The spelling of 2195903043 in words is "two billion, one hundred ninety-five million, nine hundred three thousand, forty-three".