2043542395 has 16 divisors (see below), whose sum is σ = 2512124928. Its totient is φ = 1595341440.

The previous prime is 2043542327. The next prime is 2043542401. The reversal of 2043542395 is 5932453402.

It is not a de Polignac number, because 2043542395 - 2⁹ = 2043541883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 12357 + ... + 65113.

It is an arithmetic number, because the mean of its divisors is an integer number (157007808).

Almost surely, 2^2043542395 is an apocalyptic number.

2043542395 is a deficient number, since it is larger than the sum of its proper divisors (468582533).

2043542395 is a wasteful number, since it uses less digits than its factorization.

2043542395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52950.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 2043542395 is about 45205.5571252031. The cubic root of 2043542395 is about 1268.9988172413.

Adding to 2043542395 its reverse (5932453402), we get a palindrome (7975995797).

The spelling of 2043542395 in words is "two billion, forty-three million, five hundred forty-two thousand, three hundred ninety-five".