42654663 has 6 divisors (see below), whose sum is σ = 61612304. Its totient is φ = 28436436.

The previous prime is 42654659. The next prime is 42654697. The reversal of 42654663 is 36645624.

It is not a de Polignac number, because 42654663 - 2² = 42654659 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 (42654653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2369695 + ... + 2369712.

Almost surely, 2^42654663 is an apocalyptic number.

42654663 is a deficient number, since it is larger than the sum of its proper divisors (18957641).

42654663 is a wasteful number, since it uses less digits than its factorization.

42654663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739413 (or 4739410 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 42654663 is about 6531.0537434628. The cubic root of 42654663 is about 349.3994135438.

The spelling of 42654663 in words is "forty-two million, six hundred fifty-four thousand, six hundred sixty-three".