2042405663 has 8 divisors (see below), whose sum is σ = 2054778528. Its totient is φ = 2030068224.

The previous prime is 2042405657. The next prime is 2042405669. The reversal of 2042405663 is 3665042402.

It is an interprime number because it is at equal distance from previous prime (2042405657) and next prime (2042405669).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2042405663 - 2⁴ = 2042405647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042405669) 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 7 ways as a sum of consecutive naturals, for example, 111695 + ... + 128687.

It is an arithmetic number, because the mean of its divisors is an integer number (256847316).

Almost surely, 2^2042405663 is an apocalyptic number.

2042405663 is a deficient number, since it is larger than the sum of its proper divisors (12372865).

2042405663 is a wasteful number, since it uses less digits than its factorization.

2042405663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2042405663 is about 45192.9824530314. The cubic root of 2042405663 is about 1268.7634776796.

The spelling of 2042405663 in words is "two billion, forty-two million, four hundred five thousand, six hundred sixty-three".