42633521219 has 2 divisors, whose sum is σ = 42633521220. Its totient is φ = 42633521218.

The previous prime is 42633521201. The next prime is 42633521243. The reversal of 42633521219 is 91212533624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42633521219 is a prime.

It is a super-2 number, since 2×42633521219² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42653521219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21316760609 + 21316760610.

It is an arithmetic number, because the mean of its divisors is an integer number (21316760610).

Almost surely, 2^42633521219 is an apocalyptic number.

42633521219 is a deficient number, since it is larger than the sum of its proper divisors (1).

42633521219 is an equidigital number, since it uses as much as digits as its factorization.

42633521219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The spelling of 42633521219 in words is "forty-two billion, six hundred thirty-three million, five hundred twenty-one thousand, two hundred nineteen".