42412302209 has 4 divisors (see below), whose sum is σ = 42421382916. Its totient is φ = 42403221504.

The previous prime is 42412302181. The next prime is 42412302263. The reversal of 42412302209 is 90220321424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34077160000 + 8335142209 = 184600^2 + 91297^2 .

It is a cyclic number.

It is not a de Polignac number, because 42412302209 - 2¹² = 42412298113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42412302269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533344 + ... + 4542689.

It is an arithmetic number, because the mean of its divisors is an integer number (10605345729).

Almost surely, 2^42412302209 is an apocalyptic number.

It is an amenable number.

42412302209 is a deficient number, since it is larger than the sum of its proper divisors (9080707).

42412302209 is an equidigital number, since it uses as much as digits as its factorization.

42412302209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080706.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 42412302209 in words is "forty-two billion, four hundred twelve million, three hundred two thousand, two hundred nine".