42402002219 has 2 divisors, whose sum is σ = 42402002220. Its totient is φ = 42402002218.

The previous prime is 42402002189. The next prime is 42402002221. The reversal of 42402002219 is 91220020424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42402002219 - 2¹⁶ = 42401936683 is a prime.

It is a super-2 number, since 2×42402002219² (a number of 22 digits) contains 22 as substring.

Together with 42402002221, 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 (42402002249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21201001109 + 21201001110.

It is an arithmetic number, because the mean of its divisors is an integer number (21201001110).

Almost surely, 2^42402002219 is an apocalyptic number.

42402002219 is a deficient number, since it is larger than the sum of its proper divisors (1).

42402002219 is an equidigital number, since it uses as much as digits as its factorization.

42402002219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 42402002219 in words is "forty-two billion, four hundred two million, two thousand, two hundred nineteen".