42289699 has 2 divisors, whose sum is σ = 42289700. Its totient is φ = 42289698.

The previous prime is 42289697. The next prime is 42289729. The reversal of 42289699 is 99698224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42289699 - 2¹ = 42289697 is a prime.

Together with 42289697, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42289691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21144849 + 21144850.

It is an arithmetic number, because the mean of its divisors is an integer number (21144850).

Almost surely, 2^42289699 is an apocalyptic number.

42289699 is a deficient number, since it is larger than the sum of its proper divisors (1).

42289699 is an equidigital number, since it uses as much as digits as its factorization.

42289699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 42289699 is about 6503.0530522209. The cubic root of 42289699 is about 348.4000414557.

The spelling of 42289699 in words is "forty-two million, two hundred eighty-nine thousand, six hundred ninety-nine".