42215226529 has 4 divisors (see below), whose sum is σ = 48245973184. Its totient is φ = 36184479876.

The previous prime is 42215226517. The next prime is 42215226569. The reversal of 42215226529 is 92562251224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42215226529 - 2²¹ = 42213129377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42215226491 and 42215226500.

It is not an unprimeable number, because it can be changed into a prime (42215226569) 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 in 3 ways as a sum of consecutive naturals, for example, 3015373317 + ... + 3015373330.

It is an arithmetic number, because the mean of its divisors is an integer number (12061493296).

Almost surely, 2^42215226529 is an apocalyptic number.

It is an amenable number.

42215226529 is a deficient number, since it is larger than the sum of its proper divisors (6030746655).

42215226529 is an equidigital number, since it uses as much as digits as its factorization.

42215226529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030746654.

The product of its digits is 172800, while the sum is 40.

The spelling of 42215226529 in words is "forty-two billion, two hundred fifteen million, two hundred twenty-six thousand, five hundred twenty-nine".