42215826969 has 24 divisors (see below), whose sum is σ = 64308709920. Its totient is φ = 27666860256.

The previous prime is 42215826941. The next prime is 42215826977. The reversal of 42215826969 is 96962851224.

42215826969 is a `hidden beast` number, since 422 + 158 + 2 + 6 + 9 + 69 = 666.

It is not a de Polignac number, because 42215826969 - 2²⁵ = 42182272537 is a prime.

It is a super-2 number, since 2×42215826969² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42215826979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1457932 + ... + 1486605.

It is an arithmetic number, because the mean of its divisors is an integer number (2679529580).

Almost surely, 2^42215826969 is an apocalyptic number.

It is an amenable number.

42215826969 is a deficient number, since it is larger than the sum of its proper divisors (22092882951).

42215826969 is an equidigital number, since it uses as much as digits as its factorization.

42215826969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944611 (or 2944599 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 42215826969 in words is "forty-two billion, two hundred fifteen million, eight hundred twenty-six thousand, nine hundred sixty-nine".