42213100009 has 2 divisors, whose sum is σ = 42213100010. Its totient is φ = 42213100008.

The previous prime is 42213100003. The next prime is 42213100021. The reversal of 42213100009 is 90000131224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30791475625 + 11421624384 = 175475^2 + 106872^2 .

It is a cyclic number.

It is not a de Polignac number, because 42213100009 - 2³ = 42213100001 is a prime.

It is not a weakly prime, because it can be changed into another prime (42213100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106550004 + 21106550005.

It is an arithmetic number, because the mean of its divisors is an integer number (21106550005).

Almost surely, 2^42213100009 is an apocalyptic number.

It is an amenable number.

42213100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

42213100009 is an equidigital number, since it uses as much as digits as its factorization.

42213100009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 42213100009 in words is "forty-two billion, two hundred thirteen million, one hundred thousand, nine".