42104311969 has 2 divisors, whose sum is σ = 42104311970. Its totient is φ = 42104311968.

The previous prime is 42104311939. The next prime is 42104312011. The reversal of 42104311969 is 96911340124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39526211344 + 2578100625 = 198812^2 + 50775^2 .

It is a cyclic number.

It is not a de Polignac number, because 42104311969 - 2⁵ = 42104311937 is a prime.

It is a super-2 number, since 2×42104311969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42104311939) 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 as a sum of consecutive naturals, namely, 21052155984 + 21052155985.

It is an arithmetic number, because the mean of its divisors is an integer number (21052155985).

Almost surely, 2^42104311969 is an apocalyptic number.

It is an amenable number.

42104311969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42104311969 is an equidigital number, since it uses as much as digits as its factorization.

42104311969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 42104311969 in words is "forty-two billion, one hundred four million, three hundred eleven thousand, nine hundred sixty-nine".