42453659 has 4 divisors (see below), whose sum is σ = 42528840. Its totient is φ = 42378480.

The previous prime is 42453637. The next prime is 42453667. The reversal of 42453659 is 95635424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42453659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42453259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36737 + ... + 37874.

It is an arithmetic number, because the mean of its divisors is an integer number (10632210).

Almost surely, 2^42453659 is an apocalyptic number.

42453659 is a deficient number, since it is larger than the sum of its proper divisors (75181).

42453659 is an equidigital number, since it uses as much as digits as its factorization.

42453659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75180.

The product of its digits is 129600, while the sum is 38.

The square root of 42453659 is about 6515.6472433673. The cubic root of 42453659 is about 348.8497175916.

The spelling of 42453659 in words is "forty-two million, four hundred fifty-three thousand, six hundred fifty-nine".