42215096969 has 2 divisors, whose sum is σ = 42215096970. Its totient is φ = 42215096968.

The previous prime is 42215096953. The next prime is 42215096999. The reversal of 42215096969 is 96969051224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31971228025 + 10243868944 = 178805^2 + 101212^2 .

It is a cyclic number.

It is not a de Polignac number, because 42215096969 - 2⁴ = 42215096953 is a prime.

It is a super-2 number, since 2×42215096969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42215096969.

It is not a weakly prime, because it can be changed into another prime (42215096929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21107548484 + 21107548485.

It is an arithmetic number, because the mean of its divisors is an integer number (21107548485).

Almost surely, 2^42215096969 is an apocalyptic number.

It is an amenable number.

42215096969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42215096969 is an equidigital number, since it uses as much as digits as its factorization.

42215096969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 42215096969 in words is "forty-two billion, two hundred fifteen million, ninety-six thousand, nine hundred sixty-nine".