42114643 has 2 divisors, whose sum is σ = 42114644. Its totient is φ = 42114642.

The previous prime is 42114617. The next prime is 42114689. The reversal of 42114643 is 34641124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42114643 - 2⁹ = 42114131 is a prime.

It is not a weakly prime, because it can be changed into another prime (42114043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21057321 + 21057322.

It is an arithmetic number, because the mean of its divisors is an integer number (21057322).

Almost surely, 2^42114643 is an apocalyptic number.

42114643 is a deficient number, since it is larger than the sum of its proper divisors (1).

42114643 is an equidigital number, since it uses as much as digits as its factorization.

42114643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 42114643 is about 6489.5795703574. The cubic root of 42114643 is about 347.9186486857.

Adding to 42114643 its reverse (34641124), we get a palindrome (76755767).

The spelling of 42114643 in words is "forty-two million, one hundred fourteen thousand, six hundred forty-three".