42212969329 has 2 divisors, whose sum is σ = 42212969330. Its totient is φ = 42212969328.

The previous prime is 42212969327. The next prime is 42212969333. The reversal of 42212969329 is 92396921224.

42212969329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21653711104 + 20559258225 = 147152^2 + 143385^2 .

It is a cyclic number.

It is not a de Polignac number, because 42212969329 - 2¹ = 42212969327 is a prime.

Together with 42212969327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42212969327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106484664 + 21106484665.

It is an arithmetic number, because the mean of its divisors is an integer number (21106484665).

Almost surely, 2^42212969329 is an apocalyptic number.

It is an amenable number.

42212969329 is a deficient number, since it is larger than the sum of its proper divisors (1).

42212969329 is an equidigital number, since it uses as much as digits as its factorization.

42212969329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 49.

The spelling of 42212969329 in words is "forty-two billion, two hundred twelve million, nine hundred sixty-nine thousand, three hundred twenty-nine".