42816653 has 8 divisors (see below), whose sum is σ = 47078400. Its totient is φ = 38616480.

The previous prime is 42816649. The next prime is 42816667. The reversal of 42816653 is 35661824.

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 42816653 - 2² = 42816649 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 (42816623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13928 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (5884800).

Almost surely, 2^42816653 is an apocalyptic number.

It is an amenable number.

42816653 is a deficient number, since it is larger than the sum of its proper divisors (4261747).

42816653 is a wasteful number, since it uses less digits than its factorization.

42816653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30787.

The product of its digits is 34560, while the sum is 35.

The square root of 42816653 is about 6543.4435124023. The cubic root of 42816653 is about 349.8411605784.

The spelling of 42816653 in words is "forty-two million, eight hundred sixteen thousand, six hundred fifty-three".