2005542094 has 4 divisors (see below), whose sum is σ = 3008313144. Its totient is φ = 1002771046.

The previous prime is 2005542047. The next prime is 2005542103. The reversal of 2005542094 is 4902455002.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501385522 + ... + 501385525.

It is an arithmetic number, because the mean of its divisors is an integer number (752078286).

Almost surely, 2^2005542094 is an apocalyptic number.

2005542094 is a deficient number, since it is larger than the sum of its proper divisors (1002771050).

2005542094 is a wasteful number, since it uses less digits than its factorization.

2005542094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002771049.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2005542094 is about 44783.2791787292. The cubic root of 2005542094 is about 1261.0837434110.

Adding to 2005542094 its reverse (4902455002), we get a palindrome (6907997096).

The spelling of 2005542094 in words is "two billion, five million, five hundred forty-two thousand, ninety-four".