2042415447 has 4 divisors (see below), whose sum is σ = 2723220600. Its totient is φ = 1361610296.

The previous prime is 2042415421. The next prime is 2042415491. The reversal of 2042415447 is 7445142402.

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 2042415447 - 2⁶ = 2042415383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042415497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340402572 + ... + 340402577.

It is an arithmetic number, because the mean of its divisors is an integer number (680805150).

Almost surely, 2^2042415447 is an apocalyptic number.

2042415447 is a deficient number, since it is larger than the sum of its proper divisors (680805153).

2042415447 is an equidigital number, since it uses as much as digits as its factorization.

2042415447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680805152.

The product of its (nonzero) digits is 35840, while the sum is 33.

The square root of 2042415447 is about 45193.0906997961. The cubic root of 2042415447 is about 1268.7655036503.

Adding to 2042415447 its reverse (7445142402), we get a palindrome (9487557849).

The spelling of 2042415447 in words is "two billion, forty-two million, four hundred fifteen thousand, four hundred forty-seven".